Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
canh doanh » hanh doanh, chinh doanh, kinh doanh
chieu sang » chieu sach, chieu xanh, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
gian cap » gian cac, gian cam, gian cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi ((hieu lang) OR (chieu sang)) - ((canh doanh) or (doanh doanh)) cua nhung cong dan gian cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((hieu lang) OR (chieu sang)) - ((canh doanh) OR (doanh doanh)) cua nhung cong dan gian cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi ((hieu lang) OR (chieu sang)) - ((canh doanh) or (doanh doanh)) cua nhung cong dan gian cap".
• Adding a wildcard symbol may retrieve word variants: hoi ((hieu lang) OR (chieu sang)) - ((canh doanh) or (doanh doanh)) cua nhung cong dan gian cap*.