Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
doanh luan » doanh nhan
luan thong » luan phong, luan tuong, luat thong
thong cong » trong cong, tong cong, thong thong
cong thang » cong thanh, cang thang, cong thong
hieu lang » chieu sang, hieu quang, nhieu tang
doi hieu » doi chieu, doc hieu, doi hien
phan van » pham van, thanh van, luan van
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - chinh doanh luan thong cong thang ((phan van) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - chinh doanh luan thong cong thang ((phan van) OR (phan cac))*.