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

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) or (hoc hien)) quang - hanh doanh va lang cong doan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc hien)) quang - hanh doanh va lang cong doan phan dau.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc hien)) quang - hanh doanh va lang cong doan phan dau*.