Perhaps you should try some spelling variations:
luan trong » quan trong, luat trong, luan tuong
tinh sang » tinh quang, tinh trang, trinh san
tiem nang » tin nang, tich nang
bang luan » tang luan, hang luan, dung luan
anh bang » anh hoang, anh quang, tinh bang
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
hang cau » hang dau, hang ca, nhung cau

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: theo ((tinh sang) OR (tiem nang)) - anh bang luan trong ((cong ban) OR (cong san)) hang cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tinh sang) or (tiem nang)) - anh bang luan trong ((cong ban) OR (cong san)) hang cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((tinh sang) or (tiem nang)) - anh bang luan trong ((cong ban) OR (cong san)) hang cau*.