If this is your first book I would recommend you to self-publish online, I know the market is prosperous in Russia, so in yours it should be even more developed, especially if you write in English. After publishing start pushing the book online: create a youtube channel dedicated to books and literature, start a group in social network, buy ads if you can, ask other fellow writers like you talk about your book and you could talk about theirs in return, make acquaintances in the publishing world like this and then think whether you would like to see your book in paper, because I know that online market is much more profitable and accessible. Also ask your friends and family to leave positive comments on the page of your book. I know that pushing your book is as important as writing, if you give the book to a publisher then its the job of the publisher, but for that you need to be well-known. Good luck!