Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
dang trong » dung trong, dong trong, lang trong
trong dong » trong cong, trong nong, trong dang
doi chieu » doc hieu, ho chieu, mot chieu
dong toan » dung toan, bong toan, cong toan
dong cua » dung cua, cong cua, huong cua
cua dang » cua cong, cua ban
toan cao » toan ban, toan tap
doi chi » doi khi

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: ((doi chieu) OR (doi chi)) sach - nhanh dong cua dang trong dong toan cao~.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) sach - nhanh dong cua dang trong dong toan cao*.