Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеіеные\\" » основіеные\\" (Expand Search), основееные\\" (Expand Search), основніеные\\" (Expand Search), основіеіеные\\" (Expand Search), основееіеные\\" (Expand Search)
основееные\\" » основные\\" (Expand Search), основіееные\\" (Expand Search), основеееные\\" (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 (основеіеные\\\" OR основееные\\\"))) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основеі\ OR (основеіеные\ OR основееные\ ))) OR (\ ґрунтова основ\ )).