Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thuat lanh » thuat lap, thuat san
hanh dung » thanh dung, anh dung, hanh dong
trong tan » trong quan, trong cac, trong ca
dung cua » dung luan, dung cho
cua dung » cua dang, cua dong, qua dung
toan tai » toan tap, doanh tai, toan cao
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: theo ((chieu sach) or (thuat lanh)) - hanh dung cua dung trong tan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (thuat lanh)) - hanh dung cua dung trong tan ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (thuat lanh)) - hanh dung cua dung trong tan ((toan tai) or (toan ban))*.