Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hanh trinh » canh tranh, hanh chinh
hoc thien » hoc hien, hoc thieu, hoc thiet
trinh va » trinh van, trinh vat, trinh ve
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
khan cap » khan ap, than cap, khoan cam
va lang » va nang, hoa lang

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: hoc thien danh - hanh trinh va lang ((cong tan) OR (cong san)) ((toan cau) OR (khan cap))~.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - hanh trinh va lang ((cong tan) or (cong san)) ((toan cau) or (khan cap))*.