Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
dang lai » dang loai, dung lai, dang bai
va thanh » gia thanh, ban thanh, va tinh
dang hai » dang khai, hang hai, dung hai
hai cua » thai cua, hoi cua, lai cua
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky ((dang lai) OR (dang hai)) hoi. hieu ve cac xuc va thanh ((dai cua) OR (hai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ky ((dang lai) OR (dang hai)) hoi. hieu ve cac xuc va thanh ((dai cua) or (hai cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: hoc sach ky ((dang lai) OR (dang hai)) hoi. hieu ve cac xuc va thanh ((dai cua) or (hai cua)) tre*.