Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoan chinh » hanh chinh, hoa hinh
hoc chinh » hoc sinh, hoc kinh
trung cap » truong cao, trung tam
dang cong » dung cong
cap dang » cao dang, cac dang, cap bang
cong san » cong tac
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chinh) or (hoan chinh)) sach - thanh trung cap dang cong san ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chinh) OR (hoan chinh)) sach - thanh trung cap dang cong san ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((hoc chinh) or (hoan chinh)) sach - thanh trung cap dang cong san ((toan cao) or (toan tap))*.