Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hieu lang » chieu sang, hieu quang, nhieu tang
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cao » toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh trang cua nhung ((((cong tan) or (cong trinh))) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh trang cua nhung ((((cong tan) OR (cong trinh))) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trang cua nhung ((((cong tan) or (cong trinh))) or (cong san)) toan cao*.