Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
phuong van » phung van, phong van, phuong lan
hanh dung » thanh dung, anh dung, hanh dong
dung chua » dung cua, cung chua, dung nhua
chua bang » chu bang, chua nang, chua xang
van toan » van tuan, van tan, van thanh
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) or (chiet tach)) - hanh dung chua bang phuong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - hanh dung chua bang phuong van toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chiet tach)) - hanh dung chua bang phuong van toan ban*.