Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
manh trung » manh tung, thanh trung, manh hung
hieu manh » hieu nganh, dieu hanh, hien hanh
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
dang cong » dung cong
cua dang » cua cong, cua ban
cong san » cong tac
san toan » van toan, dan toan, manh toan
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 ((((hieu manh) or (chieu xanh))) or (hieu lang)) - manh trung cua dang cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (chieu xanh))) OR (hieu lang)) - manh trung cua dang cong san toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (chieu xanh))) or (hieu lang)) - manh trung cua dang cong san toan cao*.