Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hang cong » dang cong, hang nong, bang cong
cong doan » cong dan, cong hoan, dong doanh
hoc dieu » hoc thieu
doanh va » doan va, doanh tai, doanh cua
phan dau » phan tu
hang dau » hang va, hang tai
va hang » van hang, va nang, va lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc hien)) quang - hanh doanh va hang cong doan ((phan dau) OR (hang dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) or (hoc hien)) quang - hanh doanh va hang cong doan ((phan dau) OR (hang dau))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc hien)) quang - hanh doanh va hang cong doan ((phan dau) OR (hang dau))*.