Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
trong van » trong cac
toan cau » toan cao, toan ban, toan tap
tan cau » van cau, tan ca, tao cau

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 trong van ((tan cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu sang)) - canh tranh cua nhung trong van ((tan cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) or (chieu sang)) - canh tranh cua nhung trong van ((tan cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu sang)) - canh tranh cua nhung trong van ((tan cau) OR (toan cau))*.