Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
thien anh » thien danh, tien anh, thien thanh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
tran chau » tranh chap, tran huu
cong tan » cong tac, cong san, cong thanh
tran cau » toan cau, ran cau, tra cau

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 anh) or (chieu xanh)) - hanh trinh cua nhung cong tan ((tran cau) OR (tran chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (chieu xanh)) - hanh trinh cua nhung cong tan ((tran cau) OR (tran chau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien anh) or (chieu xanh)) - hanh trinh cua nhung cong tan ((tran cau) OR (tran chau))*".