Perhaps you should try some spelling variations:
hieu nganh » hiem ngan, hieu manh, nghiep nganh
vien nganh » vien thanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
cua bang » chua bang, cua ban, cua dang
chu bang » thu bang, chuc nang, chu quang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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