Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan ban » van ban

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 sang - thanh trung cap thong ((cong tan) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cap thong ((cong tan) OR (cong tac)) toan ban*.