Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chau tinh » ha tinh, cua tinh, cac tinh
trang van » tran van, trang va, trong van
van dung » van dong, xay dung, tin dung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chau tinh) or (cuu tinh)) - hanh trang van dung ((cong tan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chau tinh) OR (cuu tinh)) - hanh trang van dung ((cong tan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chau tinh) or (cuu tinh)) - hanh trang van dung ((cong tan) or (cong san)) toan cau*.