Perhaps you should try some spelling variations:
doanh lan » doanh luan, doanh van, doanh nhan
doanh ban » doanh bat, doanh van, doanh nhan
theo chu » theo chieu, cho chu, chao chu
trong ca » trong cac, trong nha
chu han » chu van
hanh tu » anh tu, danh tu
han tu » phan tu, ban tu, van 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: theo chu han - canh ((doanh lan) OR (doanh ban)) dung trong ca ((han tu) OR (hanh tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu han - canh ((doanh lan) OR (doanh ban)) dung trong ca ((han tu) or (hanh tu))~".
• Adding a wildcard symbol may retrieve word variants: theo chu han - canh ((doanh lan) OR (doanh ban)) dung trong ca ((han tu) or (hanh tu))*.