Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhanh lang » nhanh quang, nhanh thang, nhan dang
trong thpt » truong thpt, trong thuat, trong thiet
ho chieu » theo chieu, hoc thieu, mot chieu
nhan dan » phan dau, gian dan, nhan tai
van dung » van dong, xay dung, tin dung
thpt dan » thuc dan, tho 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 - ((nhanh lang) or (nhan dan)) van dung trong thpt dan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((nhanh lang) OR (nhan dan)) van dung trong thpt dan ca.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((nhanh lang) or (nhan dan)) van dung trong thpt dan ca*.