Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hieu cach » hieu cac, chieu sach, hieu ca
luan dong » luan cong, luan nong, luan luong
quan dong » quang dong, quan long, quan hoang
hoc hieu » hoc thieu, hoc hien, doc hieu
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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

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