Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hop nhieu » hoc thieu, he nhieu, hoc nhiet
trinh cua » tinh cua, trinh luat, trinh quan
ban thanh » ban hanh, ban hang
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hop nhieu)) tang - hanh trinh cua dung trong ((van tan) or (ban thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hop nhieu)) tang - hanh trinh cua dung trong ((van tan) OR (ban thanh)) cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hop nhieu)) tang - hanh trinh cua dung trong ((van tan) or (ban thanh)) cao*.