Perhaps you should try some spelling variations:
truong cao » truong dai
cho chinh » chon chinh, che chinh, cuoc chinh
dang cong » dung cong
ho chinh » hoc chinh, hoa chinh, do chinh
trung ha » trung hoc, trung tam, trung cap
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chinh) OR (cho chinh)) sach - thanh ((trung ha) OR (truong cao)) dang cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chinh) OR (cho chinh)) sach - thanh ((trung ha) OR (truong cao)) dang cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chinh) OR (cho chinh)) sach - thanh ((trung ha) OR (truong cao)) dang cong dan toan cao*.