Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, trung cap
doanh cua » doanh luan
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 chieu sach - hanh ((trung cua) OR (doanh cua)) thuong cong dan than cao~.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((trung cua) or (doanh cua)) thuong cong dan than cao*.