Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеіііные\" » основіііные\" (Expand Search), основеііные\" (Expand Search), основніііные\" (Expand Search), основіеіііные\" (Expand Search), основееіііные\" (Expand Search)
основные\" » основе\" (Expand Search), основні\" (Expand Search), основіные\" (Expand Search), основеные\" (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 (основеіііные\\" OR основные\\"))) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основеі\ OR (основеіііные OR основные ))) OR (\ ґрунтова основ\ )).