Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trang » thanh trung, canh tranh, hanh trinh
luong cong » dung cong, trong cong, cong cong
hoc chieu » hoc thieu, ho chieu, hoc hien
khoan cam » khoa cam, khoan va, phan cam
trang va » tran van, hang va
va luong » van luong, va tuong, va huong
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

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 tinh - hanh trang va luong cong san ((than cap) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh trang va luong cong san ((than cap) OR (khoan cam)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh trang va luong cong san ((than cap) or (khoan cam))*.