Perhaps you should try some spelling variations:
cho thanh » cho phan, tro thanh, cuu thanh
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cua dong » chua dong, cua cong, cua dang
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » 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: cao ((cho thanh) or (thi thanh)) - anh tang cua dong ((cong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cao ((cho thanh) OR (thi thanh)) - anh tang cua dong ((cong dan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: cao ((cho thanh) or (thi thanh)) - anh tang cua dong ((cong dan) or (cong san)) toan cau*.