Perhaps you should try some spelling variations:
основіе\" » основі\" (Expand Search), основе\" (Expand Search), основные\" (Expand Search), основііе\" (Expand Search), основеіе\" (Expand Search)
основіеіе\" » основііе\" (Expand Search), основеіе\" (Expand Search), основныеіе\" (Expand Search), основііеіе\" (Expand Search), основеіеіе\" (Expand Search)
основііе\" » основі\" (Expand Search), основе\" (Expand Search), основные\" (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 ((основіе\\" OR (основііе\\" OR основні\\")) OR основіеіе\\")) OR (\\"ґрунтова основ\\"))~\"".
• Removing quotes may allow a broader search: (( ґрунтова ((основіе OR (основііе OR основні )) OR основіеіе )) OR ( ґрунтова основ ))~.