Perhaps you should try some spelling variations:
phuong linh » phuong binh, phuong trinh, cuong linh
chieu sach » chinh sach, chieu sang, chieu xanh
phuong lan » phuong la, thuong lan, phuong tran
hanh dung » thanh dung, anh dung, hanh dong
dung cua » dung luan, dung cho
cua dang » cua cong, cua ban
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 cua dang ((phuong lan) OR (phuong linh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - hanh dung cua dang ((phuong lan) OR (phuong linh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) or (chiet tach)) - hanh dung cua dang ((phuong lan) OR (phuong linh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chiet tach)) - hanh dung cua dang ((phuong lan) OR (phuong linh)) toan ban*.