Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
nhung dung » phuong dung, ung dung, thong dung
tranh cua » doanh cua, manh cua
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 (chieu sang)) - canh tranh cua ((nhung dung) or (nhung tuong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu sang)) - canh tranh cua ((nhung dung) OR (nhung tuong)) dan toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chieu sang)) - canh tranh cua ((nhung dung) or (nhung tuong)) dan toan ban*".