Perhaps you should try some spelling variations:
trung thuoc » trung thuc, trung quoc, trung hoc
chieu sach » chinh sach, chiet tach, chieu sang
trong thuc » trong thu, thuong thuc, trong thuat
doi chieu » doc hieu, doi chi, mot chieu
tong cong » trong cong, cong cong, dung cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van 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 - sinh ((trung thuoc) or (trong thuc)) tong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - sinh ((trung thuoc) OR (trong thuc)) tong cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - sinh ((trung thuoc) or (trong thuc)) tong cong tac toan ban*.