Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
hieu nganh » vien nganh, hiem ngan, hieu manh
thanh ban » thanh san, thanh van, thanh bac
dang cong » dung cong
ban dang » ban hang, ban dan, van dang
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » 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: hoc ((dieu hanh) or (hieu nganh)) - doanh thanh ban dang cong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dieu hanh) OR (hieu nganh)) - doanh thanh ban dang cong dan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((dieu hanh) or (hieu nganh)) - doanh thanh ban dang cong dan ((toan cau) or (toan tap))*.