Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thong cong » tong cong, thong thong, phong chong
ban than » ban thanh, van thanh, ban hang
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: theo ((chieu sang) OR (chieu sach)) - thanh trung tam ((thong cong) or (trong cong)) ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu sach)) - thanh trung tam ((thong cong) OR (trong cong)) ban than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (chieu sach)) - thanh trung tam ((thong cong) or (trong cong)) ban than cap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (chieu sach)) - thanh trung tam ((thong cong) or (trong cong)) ban than cap*.