Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung cap, dung cua
30 trieu » 25 trieu
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham toan
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: 30 trieu tinh - thanh ((trung cua) or (trung tuan)) nhung cong tam toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - thanh ((trung cua) OR (trung tuan)) nhung cong tam toan cau.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - thanh ((trung cua) or (trung tuan)) nhung cong tam toan cau*.