Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cao » truong cao, trung cap, trung co
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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 cao ((hang cong) or (han tong)) san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cao ((hang cong) OR (han tong)) san than cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung cao ((hang cong) or (han tong)) san than cap*.