It seems that you are facing with default search engine hotkeys can be frustrating and disruptive to your browsing experience.you are using Opera GX and having difficulty searching for a specific show due to the hotkeys automatically switching search engine to Bing and deleting the letter "B" from search query.
One potential solution could be to disable or customize the default search engine hotkeys.
Another potential solution could be to offer a setting that allows to choose default search engine,which could prevent the browser from automatically switching to a different search engine when the user types in a specific search query.