Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
mot chieu » doi chieu, ho chieu
tranh cua » doanh cua, manh cua
theo chu » theo chieu, cho chu, chao chu
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: ((mot chieu) or (theo chu)) xanh - canh tranh cua ((nhung cong) OR (thong cong)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chu)) xanh - canh tranh cua ((nhung cong) OR (thong cong)) van toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (theo chu)) xanh - canh tranh cua ((nhung cong) OR (thong cong)) van toan cau".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chu)) xanh - canh tranh cua ((nhung cong) OR (thong cong)) van toan cau*.