Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tran » trung thanh, trung tam, hung tran
trung tuan » trung thanh, trung tam, tran tuan
doi chieu » doc hieu, doi chi, ho chieu
trong san » trong cac, dong san, trong ca
cong san » cong tac
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 - thanh ((trung tran) or (trung tuan)) dung ((trong san) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trung tran) OR (trung tuan)) dung ((trong san) OR (cong san)) toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh ((trung tran) or (trung tuan)) dung ((trong san) OR (cong san)) toan ban*".