Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
tong thong » thong thong, dong thong, cong thong
thanh toan » thanh hoa, thanh san
trung cua » truong cua, trung tuan, trung cap
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong

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: ho chieu sach - thanh trung cua tong thong ((tinh toan) OR (thanh toan)) cau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung cua tong thong ((tinh toan) or (thanh toan)) cau*.