Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tran » trung tuan, trung thanh, trung tam
tran dang » tran quang, tran hoang, tranh hang
hoc dieu » hoc thieu
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cao » toan ban, toan tap

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

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