Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh suat » trinh luat, trinh sat, trinh quan
doi chieu » doc hieu, doi chi, ho chieu
suat dung » thuat dung, xuat duong, suat huong
dung cong » dung trong
cong van » cong vang, cong san, song van
phan cac » phan dau, phan lap, phan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh trinh suat dung cong van ((phan cac) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh trinh suat dung cong van ((phan cac) OR (nhan cach)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh trinh suat dung cong van ((phan cac) or (nhan cach))*.