Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cua » thong quan, huong cua
trong tan » trong quan, trong cac, trong ca
ho chieu » theo chieu, hoc thieu, doi chieu
thong tu » phong tuc, thong tin, thong ke
tan phan » toan phan, than phan, van phan
phan dau » phan tu, hang dau

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 - thanh ((thong cua) OR (thong tu)) dung trong tan phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((thong cua) OR (thong tu)) dung trong tan phan dau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((thong cua) OR (thong tu)) dung trong tan phan dau*.