Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
hai quan » tac quan
doi chi » doi khi
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: ((doi chi) or (ho chieu)) tinh - hanh trinh cua dung cong ((van tan) or (hai quan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (ho chieu)) tinh - hanh trinh cua dung cong ((van tan) OR (hai quan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (ho chieu)) tinh - hanh trinh cua dung cong ((van tan) or (hai quan)) cau*.