Perhaps you should try some spelling variations:
hang doanh » nhung doanh, van doanh, dung doanh
hanh doanh » chinh doanh, doanh doanh, kinh doanh
hoc chieu » hoc thieu, ho chieu, hoc dieu
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than man » than ma, thanh san, tran manh

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

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