Perhaps you should try some spelling variations:
luan tong » luan tuong, luan cong, luan dong
tong cong » trong cong, cong cong, dung cong
ho chinh » hoc chinh, cho chinh, hoa chinh
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chinh sach - ((anh tang) or (anh dang)) luan tong cong ((dan than) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - ((anh tang) OR (anh dang)) luan tong cong ((dan than) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - ((anh tang) or (anh dang)) luan tong cong ((dan than) or (ban than)) cau*.