Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cap thuong » chap thuong, ca thuong, cao thuong
trung cap » truong cao, trung tam
cong tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan dau » phan dau, han dau, chan doan

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

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