Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
minh trang » tinh trang, minh hoang, minh tuan
hoc chieu » hoc thieu, ho chieu, hoc hien
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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 - ((minh trang) or (canh tranh)) va thuong cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((minh trang) OR (canh tranh)) va thuong cong tan tran cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((minh trang) or (canh tranh)) va thuong cong tan tran cao*.