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

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) OR (chieu sang)) - chinh doanh cua thong ((truong van) OR (trong van)) phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (chieu sang)) - chinh doanh cua thong ((truong van) or (trong van)) phan cac~".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (chieu sang)) - chinh doanh cua thong ((truong van) or (trong van)) phan cac*.