Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
lieu tinh » diep tinh, bien tinh
tranh va » tranh van, trang va, trinh va
cong san » cong tac
san toan » van toan, dan toan, manh 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: ho ((chieu xanh) or (((lieu tinh) or (trieu tinh)))) - canh tranh va nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (((lieu tinh) OR (trieu tinh)))) - canh tranh va nhung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (((lieu tinh) or (trieu tinh)))) - canh tranh va nhung cong san toan cau*.