Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cong cong » cong dong, trong cong, dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
thi hieu » thi chieu, thi hien, thi dieu
cong san » cong tac
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (thi hieu)) sang - hanh trinh cua cong cong san ((toan cau) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (thi hieu)) sang - hanh trinh cua cong cong san ((toan cau) OR (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (thi hieu)) sang - hanh trinh cua cong cong san ((toan cau) OR (toan tap))*.