Perhaps you should try some spelling variations:
основные\\" » основе\\" (Expand Search), основні\\" (Expand Search), основіные\\" (Expand Search), основеные\\" (Expand Search)
основеіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеіе\\" (Expand Search), основееіе\\" (Expand Search)
основеіеа\\" » основіа\\" (Expand Search), основеа\\" (Expand Search), основніа\\" (Expand Search), основіеіеа\\" (Expand Search), основееіеа\\" (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 ((основные\\\" OR основеіе\\\") OR основеіеа\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основные\ OR основеіе\ ) OR основеіеа\ )) OR (\ ґрунтова основ\ )).