Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cong » truong cong, trong cong, trung uong
hieu manh » hieu nganh, dieu hanh, hien hanh
cua trung » cua truong, xuan trung, cua nhung
tan thanh » tran thanh, tang thanh, toan thanh
thanh cac » hanh cac, thanh bac, thanh ca
cong cua » cong cu, dong cua, huong cua
cong tan » cong tac, cong san, cong thanh

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 manh)) - thanh cong cua trung cong tan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hieu manh)) - thanh cong cua trung cong tan thanh cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hieu manh)) - thanh cong cua trung cong tan thanh cac*.