Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sang, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
hieu manh » hieu nganh, dieu hanh, hien hanh
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
cong san » cong tac
san tran » tan tran, ban tran, dang tran
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 tuan dang cong san 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 tuan dang cong san tran ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (hieu manh))) or (chieu sach)) - thanh trung tuan dang cong san tran ban*.