Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
truong van » truong va, truong dai, truong cao
hieu lang » chieu sang, hieu quang, nhieu tang
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
trong van » trong cac
phan cac » nhan cach, phan dau, phan lap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - chinh doanh ((cua thong) OR (cua khong)) ((truong van) OR (trong van)) phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - chinh doanh ((cua thong) OR (cua khong)) ((truong van) or (trong van)) phan cac~".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - chinh doanh ((cua thong) OR (cua khong)) ((truong van) or (trong van)) phan cac*.