Perhaps you should try some spelling variations:
tran phuong » tran phong, trinh phuong, doan phuong
tran phung » trang phung, tran hung, tran phong
chi sach » chinh sach, chieu sach, co sach
anh quan » anh tuan, ban quan, anh nhan
cong tac » cong ty
tac doan » tap doan, tan doan, thai doan
doan cau » toan cau, doan dau, doan cap
doi chi » doi khi

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: doi chi sach - anh quan ((tran phung) OR (tran phuong)) cong tac doan cau~.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - anh quan ((tran phung) or (tran phuong)) cong tac doan cau*.