Perhaps you should try some spelling variations:
luan trung » xuan trung, tuan trung, quang trung
trung cong » truong cong, trong cong, trung uong
hanh dung » thanh dung, anh dung, hanh dong
san chang » dan chan, van khang, san chay
theo tin » thao tin, theo tieu, theo tcvn
san hang » van hang, san sang, gan hang
ban hang » ngan hang

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 tin dung - hanh dung luan trung cong ((san hang) OR (((san chang) OR (ban hang)))) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tin dung - hanh dung luan trung cong ((san hang) or (((san chang) OR (ban hang)))) cau~".
• Adding a wildcard symbol may retrieve word variants: theo tin dung - hanh dung luan trung cong ((san hang) or (((san chang) OR (ban hang)))) cau*.