Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu sang » chieu sach, chieu xanh, nhieu tang
cong doanh » cong danh, cong doan, dong doanh
hieu lang » hieu quang, nhieu tang, hieu van
truong va » truong dai, truong cao, truong dao
va trong » va truong, va thong, va tuong
phan cau » phan dau, phan cac, phan tu

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