Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doi chau » doi chieu, gioi chau, hoi chu
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: ((doi chau) or (toc thieu)) tinh - canh tranh cua nhung cong ban toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chau) OR (toc thieu)) tinh - canh tranh cua nhung cong ban toan cau*.