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This article has answers to your question: https://www.gardeningknowhow.com/edible/vegetables/beans/get-bean-plants-to-bloom.htm

Got a little over-achiever going there, don't you? You can just let the top dangle -- when it finds it has nothing else to climb, it should turn it's interest to making beans. Or you might try getting some even longer poles and setting them up as teepees, to support the monster. Here's an article that might give you some ideas: https://www.gardeningknowhow.com/edible/vegetables/beans/pole-bean-supports.htm

Here are some reasons why beans fail to flowers: https://www.gardeningknowhow.com/edible/vegetables/beans/get-bean-plants-to-bloom.htm

This article will help you explore the possible reasons for no flowers on your beans: https://www.gardeningknowhow.com/edible/vegetables/beans/get-bean-plants-to-bloom.htm

If pole beans are fed a lot of nitrogen, they're going to want to grow and grow, they forget about making beans. Other conditions that encourage leaf growth instead of flowers and fruit are too little sunlight, too high temperatures and humidity, inconsistent water. Here are a couple of articles for you to consider: https://www.gardeningknowhow.com/edible/vegetables/beans/pole-bean-pinching.htm
https://www.gardeningknowhow.com/edible/vegetables/beans/growing-pole-beans.htm

Gardeners are still debating whether wood chips are good for the garden or not. I think for myself I would use wood chip as mulch on landscape beds, but I would limit its use on edible gardens to pathways or areas between vegetable beds or rows. The main problem, aside from the possibility of treated or allelopathic materials, seems to be the way uncomposted wood chip affects nitrogen in the soil. I feel that composted material is the best way to amend the soil in the vegetable garden. This article discusses some aspects of this subject: https://www.gardeningknowhow.com/composting/basics/compost-as-garden-mulch.htm
Of course, if you want to know exactly what's going on with the soil, you can get an analysis from the count extension service. This link will help you locate one:
https://www.gardeningknowhow.com/garden-how-to/info/what-is-extension-service.htm
As for your beans, those sound like yard long beans, or Chinese long beans, Vigna inguiculata. Is there some way you could have got those seeds? This article has more about these beans: https://www.gardeningknowhow.com/edible/vegetables/vgen/growing-asian-style-vegetables.htm
PS, don't try to cook these in water or steam; you need to fry or saute them only.