Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, canh tranh, hanh trinh
hanh tang » anh tang, hanh mang, hanh tung
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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

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