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