Perhaps you should try some spelling variations:
thanh tung » thanh cong
ho trong » hoc trong, hoa trong, hoi trong
cong dan » cong san, cong tan, cong dong
toan cao » toan ban, toan tap
ho lieu » so lieu, ho kieu, ho chieu
co lieu » cot lieu, co hieu, so lieu
tung ho » tuong ho, trung hoc, trung hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) or (co lieu)) tinh - thanh tung ho trong ((cong dan) OR (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (co lieu)) tinh - thanh tung ho trong ((cong dan) OR (huong dan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho lieu) or (co lieu)) tinh - thanh tung ho trong ((cong dan) OR (huong dan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (co lieu)) tinh - thanh tung ho trong ((cong dan) OR (huong dan)) toan cao*.