Perhaps you should try some spelling variations:
thanh tung » thanh cong
doi chieu » doi chi, ho chieu, mot chieu
va phuong » va thuong, cac phuong
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, cong dong
chat cao » chat co, chat cho, chat bao
tung va » trung va, tuong va, dung va

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) or (doc hieu)) sach - thanh tung va phuong ((cong dan) or (huong dan)) chat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) sach - thanh tung va phuong ((cong dan) OR (huong dan)) chat cao.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doc hieu)) sach - thanh tung va phuong ((cong dan) or (huong dan)) chat cao*.