Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tham » trung tam, trung thanh, trung thang
tham nhung » thi nhung
nhung cong » dung cong, thong cong, hang cong
theo chu » theo chieu, cho chu, chao chu
chu nang » chuc nang, chua nang, cuu nang
cong dan » cong san, cong tan, huong dan
toan cau » toan ban, toan tai
toan tap » toan ban
toan cao » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu nang - thanh trung tham nhung cong dan ((((toan cau) OR (toan tap))) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: theo chu nang - thanh trung tham nhung cong dan ((((toan cau) or (toan tap))) or (toan cao))*.