Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
chi sach » chinh sach, chieu sach, co sach
trinh va » trinh van, trinh vat, trinh ve
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - canh ((thanh van) or (trinh va)) nhung ((cong dan) or (cong tan)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - canh ((thanh van) OR (trinh va)) nhung ((cong dan) OR (cong tan)) phan cac.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - canh ((thanh van) or (trinh va)) nhung ((cong dan) or (cong tan)) phan cac*.