Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіееа\\" » основіеа\\" (Expand Search), основееа\\" (Expand Search), основныееа\\" (Expand Search), основііееа\\" (Expand Search), основеіееа\\" (Expand Search)
основіеееа\\" » основіееа\\" (Expand Search), основеееа\\" (Expand Search), основныеееа\\" (Expand Search), основііеееа\\" (Expand Search), основеіеееа\\" (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 основіееа\\\") OR основіеееа\\\")) OR (\\\"ґрунтова основ\\\"))*\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основіееа\ ) OR основіеееа\ )) OR (\ ґрунтова основ\ ))*.