Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chinh » do chinh, tai chinh, hoc chinh
trinh vat » trinh van, trinh luat, sinh vat
hang cong » dang cong, hang nong, bang cong
vat hang » van hang, dat hang, va hang
cong san » cong tac
san chan » san chang, dan chan, san chay
chan ban » can ban, chat ban, chan nan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chinh sach - hanh trinh vat hang cong san chan ban~.
• Adding a wildcard symbol may retrieve word variants: doi chinh sach - hanh trinh vat hang cong san chan ban*.