Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thanh » truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hien nhanh » hien hanh, thien thanh, tien thanh
thanh dang » thanh hang, thanh dan, thanh dong
dang cong » dung cong
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (hien nhanh)) - thanh trung thanh dang cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hien nhanh)) - thanh trung thanh dang cong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hien nhanh)) - thanh trung thanh dang cong san van ban*.