Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
hanh nhan » thanh nhan, danh nhan, anh nhan
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
nhan va » nhan tai, nhan dan, nhan tao

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 tinh - hanh nhan va nhung ((cong dan) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - hanh nhan va nhung ((cong dan) OR (cong tan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - hanh nhan va nhung ((cong dan) or (cong tan)) toan ban*.