Perhaps you should try some spelling variations:
chien thang » chien thuong, chien chong, hien trang
chieu tang » chieu sang, nhieu tang, chieu tinh
trinh toan » tinh toan, thanh toan, trinh han
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
cua dong » chua dong, cua cong, cua dang
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: ho ((chieu tang) or (chien thang)) - canh tranh cua dong cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tang) OR (chien thang)) - canh tranh cua dong cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tang) or (chien thang)) - canh tranh cua dong cong trinh toan cau*.