Perhaps you should try some spelling variations:
nhung trong » hung trong, thuong trong, nguong trong
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sach » chinh sach, chiet tach, chieu sang
nhieu tang » chieu sang, hieu lang, nhiet nang
tranh cua » doanh cua, manh cua
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: doi ((chieu sach) or (nhieu tang)) - canh tranh cua ((nhung trong) OR (nhung tuong)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (nhieu tang)) - canh tranh cua ((nhung trong) OR (nhung tuong)) van toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) or (nhieu tang)) - canh tranh cua ((nhung trong) OR (nhung tuong)) van toan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (nhieu tang)) - canh tranh cua ((nhung trong) OR (nhung tuong)) van toan cau*.