Perhaps you should try some spelling variations:
thinh doan » chinh doanh, hinh toan, thi doan
nhung cong » dung cong, thong cong, hang cong
hanh doan » hanh doanh, thanh toan, nhanh hoan
chi sach » chinh sach, chieu sach, co sach
cong tan » cong tac, cong san, cong thanh
phan dau » phan tu
hang dau » hang va, hang tai
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 sach - ((hanh doan) or (thinh doan)) va nhung cong tan ((phan dau) OR (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - ((hanh doan) OR (thinh doan)) va nhung cong tan ((phan dau) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - ((hanh doan) or (thinh doan)) va nhung cong tan ((phan dau) OR (hang dau))".
• Adding a wildcard symbol may retrieve word variants: doi chi sach - ((hanh doan) or (thinh doan)) va nhung cong tan ((phan dau) OR (hang dau))*.