Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan nhung » quan nhung, tuan hung, thuat nhung
hoc chinh » hoan chinh, hoc sinh, hoc kinh
thanh bac » nhanh bac, thanh bai, thanh san
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - thanh trung tuan nhung ((cong tan) or (cong san)) thanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - thanh trung tuan nhung ((cong tan) OR (cong san)) thanh bac.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh trung tuan nhung ((cong tan) or (cong san)) thanh bac*.