Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеііеные\\" » основііеные\\" (Expand Search), основеіеные\\" (Expand Search), основнііеные\\" (Expand Search), основіеііеные\\" (Expand Search), основееііеные\\" (Expand Search)
основеные\\" » основные\\" (Expand Search), основіеные\\" (Expand Search), основееные\\" (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 ((основеі\\\" OR основеные\\\") OR основеііеные\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеі\ OR основеные\ ) OR основеііеные\ )) OR (\ ґрунтова основ\ )).