Perhaps you should try some spelling variations:
thanh trung » thanh tung
chap thuong » chan thuong, phan thuong, pham thuong
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu quang » thieu quang, hieu quan, hieu qua
trung chap » trung cap, trung ha, tranh chap
cong tan » cong tac, cong san, cong thanh
tan hoa » van hoa, tap hoa, tan ha
hoa cao » hoc cao, hoa co, hoa cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (hieu quang)) - thanh trung chap thuong cong tan hoa cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hieu quang)) - thanh trung chap thuong cong tan hoa cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hieu quang)) - thanh trung chap thuong cong tan hoa cao*.