Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіееіные\\" » основіеіные\\" (Expand Search), основееіные\\" (Expand Search), основныееіные\\" (Expand Search), основііееіные\\" (Expand Search), основеіееіные\\" (Expand Search)
основііные\" » основные\" (Expand Search), основіііные\" (Expand Search), основеііные\" (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 (основіе\\\" OR (основііные\\" OR основіееіные\\\"))) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основіе\ OR (основііные OR основіееіные\ ))) OR (\ ґрунтова основ\ ))~.