Perhaps you should try some spelling variations:
основеіа\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеіа\\" (Expand Search), основееіа\\" (Expand Search)
основіе\" » основі\" (Expand Search), основе\" (Expand Search), основные\" (Expand Search), основііе\" (Expand Search), основеіе\" (Expand Search)
основііе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіііе\\" (Expand Search), основеііе\\" (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 (основеіа\\\" OR (основіе\\" OR основііе\\\"))) OR (\\\"ґрунтова основ\\\"))*\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основеіа\ OR (основіе OR основііе\ ))) OR (\ ґрунтова основ\ ))*.