Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, thong cua
tong dan » tuong dan, thong dan, trong dan
dan toan » van toan, dan than, manh toan
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: ho chieu sach - hanh ((tang cua) or (tang luan)) han tong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((tang cua) OR (tang luan)) han tong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((tang cua) or (tang luan)) han tong dan toan cao*.