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