Perhaps you should try some spelling variations:
основеіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеіе\\" (Expand Search), основееіе\\" (Expand Search)
основеіееіе\\" » основіеіе\\" (Expand Search), основееіе\\" (Expand Search), основніеіе\\" (Expand Search), основіеіееіе\\" (Expand Search), основееіееіе\\" (Expand Search)
основные\\" » основе\\" (Expand Search), основні\\" (Expand Search), основіные\\" (Expand Search), основеные\\" (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 ((основеіе\\\" OR основеіееіе\\\") OR основные\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеіе\ OR основеіееіе\ ) OR основные\ )) OR (\ ґрунтова основ\ )).