Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
chieu sach » chinh sach, chiet tach, chieu sang
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, doi chieu
mang cua » manh cua, dung cua, ban cua
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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