Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
doi chinh » do chinh, tai chinh, hoc chinh
trinh van » trinh han, trinh toan, dinh van
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
san chat » van chat, san chay, ban chat
chat ban » nhat ban, chat ran, cua ban

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 van) or (trinh quan)) hang cong san chat ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chinh sach - hanh ((trinh van) OR (trinh quan)) hang cong san chat ban.
• Adding a wildcard symbol may retrieve word variants: doi chinh sach - hanh ((trinh van) or (trinh quan)) hang cong san chat ban*.