Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trung ha » trung hoc, trung tam, trung cap
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
ha dung » hai dung, kha dung, nha dung
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chieu sach)) - thanh trung ha dung ((cong ban) or (cong tan)) hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - thanh trung ha dung ((cong ban) OR (cong tan)) hang ca.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sach)) - thanh trung ha dung ((cong ban) or (cong tan)) hang ca*.