Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
cap thuong » chap thuong, ca thuong, cao thuong
trung cap » truong cao, trung tam
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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) or (chinh sach)) - thanh trung cap thuong cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chinh sach)) - thanh trung cap thuong cong tan than cau*.