Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh doanh » chinh doanh, doanh doanh, kinh doanh
hang doanh » nhung doanh, van doanh, dung doanh
qua trong » quan trong, qua trinh, qua song
hoang van » hang va
doc hieu » toc thieu, hoc thieu, hoc hien
dang van » hang va

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 nganh - ((hanh doanh) OR (hang doanh)) qua trong cong ((dang van) or (hoang van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - ((hanh doanh) OR (hang doanh)) qua trong cong ((dang van) OR (hoang van)) ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu nganh - ((hanh doanh) OR (hang doanh)) qua trong cong ((dang van) or (hoang van)) ban*".