Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
thanh cha » thanh ha, thanh nha, thanh phan
chi sach » chinh sach, chieu sach, co sach
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
hanh cac » hang cac, hanh cat, nhanh cay
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - thanh trung tuan dung cong san ((((than cap) or (hanh cac))) or (thanh cha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh trung tuan dung cong san ((((than cap) OR (hanh cac))) OR (thanh cha)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh trung tuan dung cong san ((((than cap) or (hanh cac))) or (thanh cha))*.