Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cua » thong quan, thong tu, huong cua
tang luan » dung luan
dan chinh » dang chinh, lan chinh, van chinh
chinh can » chinh ca, chinh ban, chinh cau
ho chieu » theo chieu, hoc thieu, doi chieu
tong dan » tuong dan, thong dan, trong dan

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 ((thong cua) or (tang luan)) han tong dan chinh can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((thong cua) OR (tang luan)) han tong dan chinh can.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((thong cua) or (tang luan)) han tong dan chinh can*.