Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » dong thanh, cong trinh, truong thanh
lieu tinh » trieu tinh, diep tinh, bien tinh
trung cua » truong cua, trung tuan, trung cap
cua dung » cua dang, cua dong, qua dung
cong tan » cong san, cong ty, cong ha
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
ho lieu » so lieu, co lieu, ho kieu

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: ho lieu tinh - thanh trung cua dung ((((cong tan) OR (cong tac))) OR (cong thanh)) toan cau~.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - thanh trung cua dung ((((cong tan) or (cong tac))) or (cong thanh)) toan cau*.