Perhaps you should try some spelling variations:
nhung lang » nhung van, nhanh lang, nhung cong
nhung dang » nhung dung, nhung bang, nhung cang
hoc thieu » toc thieu, hoc hien
theo chu » theo chieu, cho chu, chao chu
tranh va » tranh van, trang va, trinh va
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: ((hoc thieu) or (theo chu)) xanh - canh tranh va ((nhung dang) OR (nhung lang)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chu)) xanh - canh tranh va ((nhung dang) OR (nhung lang)) van toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (theo chu)) xanh - canh tranh va ((nhung dang) OR (nhung lang)) van toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chu)) xanh - canh tranh va ((nhung dang) OR (nhung lang)) van toan cau*.