Perhaps you should try some spelling variations:
основеіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеіе\\" (Expand Search), основееіе\\" (Expand Search)
основеіеііные\\" » основіііные\\" (Expand Search), основеііные\\" (Expand Search), основніііные\\" (Expand Search), основіеіеііные\\" (Expand Search), основееіеііные\\" (Expand Search)
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (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 (основеіе\\\" OR (основіе\\\" OR основеіеііные\\\"))) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основеіе\ OR (основіе\ OR основеіеііные\ ))) OR (\ ґрунтова основ\ ))~.