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)
основіеа\\" » основіа\\" (Expand Search), основеа\\" (Expand Search), основныеа\\" (Expand Search), основі\\" (Expand Search), основе\\" (Expand Search), основііеа\\" (Expand Search), основеіеа\\" (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 основіеа\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе OR основіееа ) OR основіеа\ )) OR (\ ґрунтова основ\ )).