Perhaps you should try some spelling variations:
truong cao » truong dai
kien sach » dien sach, vien bach, kien mac
trung cap » trung tam
dung cong » dung trong
hoc kien » hoc hien, hoc vien, hoa kien
cong san » cong tac
phan cac » nhan cach, phan dau, phan lap
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc kien sach - thanh ((trung cap) OR (truong cao)) dung cong san ((phan cac) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc kien sach - thanh ((trung cap) OR (truong cao)) dung cong san ((phan cac) OR (khan ap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc kien sach - thanh ((trung cap) OR (truong cao)) dung cong san ((phan cac) or (khan ap))".
• Adding a wildcard symbol may retrieve word variants: hoc kien sach - thanh ((trung cap) OR (truong cao)) dung cong san ((phan cac) or (khan ap))*.