Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіеееені\\" » основіееені\\" (Expand Search), основеееені\\" (Expand Search), основныеееені\\" (Expand Search), основііеееені\\" (Expand Search), основеіеееені\\" (Expand Search)
основіеіа\\" » основііа\\" (Expand Search), основеіа\\" (Expand Search), основныеіа\\" (Expand Search), основііеіа\\" (Expand Search), основеіеіа\\" (Expand Search)
основ\\" » основі\\" (Expand Search), основе\\" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"\\"((\\\"ґрунтова ((основіе\\\" OR основіеееені\\\") OR основіеіа\\\")) OR (\\\"ґрунтова основ\\\"))*\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основіеееені\ ) OR основіеіа\ )) OR (\ ґрунтова основ\ ))*.