Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
chieu sach » chinh sach, chiet tach, chieu sang
doanh cua » doanh luan
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, doi chieu
van tuan » van ban, anh tuan
van quan » 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: ho chieu sach - hanh ((doanh cua) or (tang luan)) nhung trong ((van tuan) OR (van quan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((doanh cua) OR (tang luan)) nhung trong ((van tuan) OR (van quan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((doanh cua) or (tang luan)) nhung trong ((van tuan) OR (van quan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((doanh cua) or (tang luan)) nhung trong ((van tuan) OR (van quan)) cau*.