Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, nhung don
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
doc hieu » toc thieu, hoc thieu, hoc hien
toan tai » toan tap, doanh tai, toan ban

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 - canh doanh cua ((nhung cong) or (hang cong)) van ((toan tai) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - canh doanh cua ((nhung cong) OR (hang cong)) van ((toan tai) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: doc hieu nganh - canh doanh cua ((nhung cong) or (hang cong)) van ((toan tai) or (van ban))*.