Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
hang cong » dang cong, hang nong, bang cong
trung co » trung bo, trong co, truong cao
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban
co hang » cho hang, co chang, co hoang

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 (trieu tinh)) - thanh trung co hang cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (trieu tinh)) - thanh trung co hang cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (trieu tinh)) - thanh trung co hang cong tac toan tap*.