Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hoc thieu » toc thieu, hoc hien
luan hang » luan nang, luan han, luan tang
luan hung » luan chung, lan hung, luan ung
cong than » cong thanh, cong thang, cong tan
than phan » thanh phan, toan phan, thanh pham
doc hieu » toc thieu, hoc hien
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (hoc thieu)) quang - chinh doanh ((luan hang) OR (luan hung)) cong than phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc thieu)) quang - chinh doanh ((luan hang) OR (luan hung)) cong than phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (hoc thieu)) quang - chinh doanh ((luan hang) OR (luan hung)) cong than phan cac".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc thieu)) quang - chinh doanh ((luan hang) OR (luan hung)) cong than phan cac*.