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)
основіееееа\\" » основіеееа\\" (Expand Search), основееееа\\" (Expand Search), основныееееа\\" (Expand Search), основііееееа\\" (Expand Search), основеіееееа\\" (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 основіееееа\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основіееіе ) OR основіееееа\ )) OR (\ ґрунтова основ\ )).