Perhaps you should try some spelling variations:
основные\\" » основе\\" (Expand Search), основні\\" (Expand Search), основіные\\" (Expand Search), основеные\\" (Expand Search)
основеіеііеные\\" » основіеііеные\\" (Expand Search), основееііеные\\" (Expand Search), основніеііеные\\" (Expand Search), основіеіеііеные\\" (Expand Search), основееіеііеные\\" (Expand Search)
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (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 основеіеііеные\\\") OR основеі\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основные\ OR основеіеііеные\ ) OR основеі\ )) OR (\ ґрунтова основ\ )).