Perhaps you should try some spelling variations:
thuong doan » phuong doan, huong dan, thuong han
dong thuong » cong thuong, dong thong, dung thuong
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
doan van » doan va, hoang van, luan van

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 - hanh ((trung tuan) OR (tang cua)) dong thuong doan van ban~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((trung tuan) or (tang cua)) dong thuong doan van ban*.