Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
chau tinh » cuu tinh, ha tinh, cac tinh
tranh han » tranh hang, trinh han, tranh ban
hang cong » dang cong, hang nong, bang cong
cua tinh » cua sinh, va tinh, ha tinh
van toan » van tuan, van tan, van thanh
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 ((chau tinh) or (cua tinh)) - canh tranh han ((nhung cong) or (hang cong)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (cua tinh)) - canh tranh han ((nhung cong) OR (hang cong)) van toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) or (cua tinh)) - canh tranh han ((nhung cong) or (hang cong)) van toan cau*.