Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung vat » trung va, trung van, trong vat
trong dan » trong dang, trong san, trong tan
ho chieu » theo chieu, hoc thieu, doi chieu
vat dung » van dung, va dung, viet dung
cong san » cong tac
than cao » toan cao, thai cao, 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 - thanh trung vat dung ((trong dan) or (cong san)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung vat dung ((trong dan) OR (cong san)) than cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung vat dung ((trong dan) or (cong san)) than cao*.