Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chieu sang, chieu xanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cap » truong cao, trung tam
cap trong » cay trong, ca trong, cad trong
cong san » cong tac
van chat » cao chat
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (((chieu sach) or (chiet tach)))) - thanh trung cap trong cong san van chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (((chieu sach) OR (chiet tach)))) - thanh trung cap trong cong san van chat.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (((chieu sach) or (chiet tach)))) - thanh trung cap trong cong san van chat*.