Perhaps you should try some spelling variations:
trinh nhung » trinh phuong, trinh dung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
thanh tra » thanh toan, thanh hoa
hanh tram » hanh tam, hanh trang, thanh tran
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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 (chieu sang)) - ((thanh tra) or (hanh tram)) trinh nhung cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - ((thanh tra) OR (hanh tram)) trinh nhung cong van toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sang)) - ((thanh tra) or (hanh tram)) trinh nhung cong van toan cao*.