Perhaps you should try some spelling variations:
trung thanh » truong thanh
thanh trung » thanh tung
chieu xanh » chieu sang, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
thanh dang » thanh hang, thanh dan, thanh dong
hieu manh » hieu nganh, dieu hanh, hien hanh
dang cong » dung cong
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban

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 (hieu manh))) or (chieu sach)) - thanh trung thanh dang cong tan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (hieu manh))) OR (chieu sach)) - thanh trung thanh dang cong tan tran ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (hieu manh))) or (chieu sach)) - thanh trung thanh dang cong tan tran ban*.