Perhaps you should try some spelling variations:
основіе\" » основі\" (Expand Search), основе\" (Expand Search), основные\" (Expand Search), основііе\" (Expand Search), основеіе\" (Expand Search)
основіееіа\" » основіеіа\" (Expand Search), основееіа\" (Expand Search), основныееіа\" (Expand Search), основііееіа\" (Expand Search), основеіееіа\" (Expand Search)
основіеіііеіа\\" » основііііеіа\\" (Expand Search), основеіііеіа\\" (Expand Search), основныеіііеіа\\" (Expand Search), основііеіііеіа\\" (Expand Search), основеіеіііеіа\\" (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 основіееіа\\") OR основіеіііеіа\\\")) OR (\\\"ґрунтова основ\\\"))*\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе OR основіееіа ) OR основіеіііеіа\ )) OR (\ ґрунтова основ\ ))*.