Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung dung » ung dung, trung uong, trinh dung
doi chieu » doc hieu, doi chi, mot chieu
tranh cac » trinh cac, thanh cac, tranh cai
cac trung » cac truong, dac trung, bac trung
dung sai » dung tai, dung va, dung dat
sai toan » bai toan, tap toan, sai gon
toan tap » toan ban

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 - canh tranh cac trung dung sai toan tap~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh tranh cac trung dung sai toan tap*.