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)
основіеіеееа\" » основііеееа\" (Expand Search), основеіеееа\" (Expand Search), основныеіеееа\" (Expand Search), основііеіеееа\" (Expand Search), основеіеіеееа\" (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 основіеіеееа\\"))) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основіе\ OR (основіееа\ OR основіеіеееа ))) OR (\ ґрунтова основ\ ))~.