Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
luat trung » luat trong, luat thuong, xuat truong
trung cong » truong cong, trong cong, trung uong
tan thanh » tran thanh, tang thanh, toan thanh
thanh cac » hanh cac, thanh bac, thanh ca
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 ((thien thanh) or (chieu xanh)) - hanh trinh luat trung cong tan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (chieu xanh)) - hanh trinh luat trung cong tan thanh cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien thanh) or (chieu xanh)) - hanh trinh luat trung cong tan thanh cac*.