Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chi dinh » chi minh, chi binh, chu dinh
va thong » va phuong, he thong, va cong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
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 dinh - hanh trang ((va thong) or (va thuong)) cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi dinh - hanh trang ((va thong) OR (va thuong)) cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: doi chi dinh - hanh trang ((va thong) or (va thuong)) cong tac than cau*.