Perhaps you should try some spelling variations:
основеіе\" » основі\" (Expand Search), основе\" (Expand Search), основіеіе\" (Expand Search), основееіе\" (Expand Search)
основные\" » основе\" (Expand Search), основіные\" (Expand Search), основеные\" (Expand Search)
основііе\" » основі\" (Expand Search), основе\" (Expand Search), основіііе\" (Expand Search), основеііе\" (Expand Search)
основні\" » основі\" (Expand Search), основіні\" (Expand Search), основені\" (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 основные\\") OR (основііе\\" OR основні\\"))) OR (\\"ґрунтова основ\\"))~\"".
• Removing quotes may allow a broader search: (( ґрунтова ((основеіе OR основные ) OR (основііе OR основні ))) OR ( ґрунтова основ ))~.