Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo tien » theo tieu, thuc tien, theo tcvn
trung cua » truong cua, trung tuan, trung cap
tung cua » tuong cua, dung cua, tang cua
cong ban » cong bang, cong san, cong tan
ban toan » bai toan, ban than, van 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: theo tien thinh - thanh ((tung cua) or (trung cua)) nhung cong ban toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tien thinh - thanh ((tung cua) OR (trung cua)) nhung cong ban toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tien thinh - thanh ((tung cua) or (trung cua)) nhung cong ban toan cau*.