Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеіные\" » основіные\" (Expand Search), основеные\" (Expand Search), основніные\" (Expand Search), основные\" (Expand Search), основіеіные\" (Expand Search), основееіные\" (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 (основеі\\\" OR (основеіные\\" OR основііные\\\"))) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основеі\ OR (основеіные OR основііные\ ))) OR (\ ґрунтова основ\ )).