Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
vang thanh » van thanh, dang thanh, tang thanh
thanh chau » thanh cha, thanh cham, thanh chu
trung cao » truong cao, trung cap, trung co
tong cong » trong cong, cong cong, dung cong

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 xanh)) - thanh trung cao ((tong cong) or (cong dong)) vang thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu xanh)) - thanh trung cao ((tong cong) OR (cong dong)) vang thanh chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (chieu xanh)) - thanh trung cao ((tong cong) or (cong dong)) vang thanh chau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (chieu xanh)) - thanh trung cao ((tong cong) or (cong dong)) vang thanh chau*.