Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung cap » truong cao, trung tam
cap trong » cay trong, ca trong, cad trong
chi sach » chinh sach, chieu sach, moi sach
cong san » cong tac
toan ban » van ban
than cap » khan cap, thanh lap, thanh cac
co sach » bo sach, cuon sach, hoc sach

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) or (co sach)) - thanh trung cap trong cong san ((toan ban) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (co sach)) - thanh trung cap trong cong san ((toan ban) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) or (co sach)) - thanh trung cap trong cong san ((toan ban) or (than cap))*.