Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіееіе\\" » основіеіе\\" (Expand Search), основееіе\\" (Expand Search), основныееіе\\" (Expand Search), основііееіе\\" (Expand Search), основеіееіе\\" (Expand Search)
основіеныеі\\" » основіныеі\\" (Expand Search), основеныеі\\" (Expand Search), основныеныеі\\" (Expand Search), основііеныеі\\" (Expand Search), основеіеныеі\\" (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 основіееіе\\\") OR основіеныеі\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основіееіе\ ) OR основіеныеі\ )) OR (\ ґрунтова основ\ )).