Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tra » thanh toan, thanh hoa
dung dung » ung dung, dung ung, dung dong
dung giao » nang giao
giao nhan » tao nhan
toc sach » hoc sach, doc sach, thuoc sach
nhan cap » khan cap, than cap, nhan cach
tra tin » tri tin, tra trinh, tran tien

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((toc sach) or (chieu sach)) - thanh tra tin dung dung giao nhan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((toc sach) OR (chieu sach)) - thanh tra tin dung dung giao nhan cap.
• Adding a wildcard symbol may retrieve word variants: toc ((toc sach) or (chieu sach)) - thanh tra tin dung dung giao nhan cap*.