Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеіееные\\" » основіееные\\" (Expand Search), основеееные\\" (Expand Search), основніееные\\" (Expand Search), основіеіееные\\" (Expand Search), основееіееные\\" (Expand Search)
основіеные\\" » основные\\" (Expand Search), основііеные\\" (Expand Search), основеіеные\\" (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 (основіеные\\\" OR основеіееные\\\"))) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основеі\ OR (основіеные\ OR основеіееные\ ))) OR (\ ґрунтова основ\ ))~.