Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
dang hai » dang khai, hang hai, dung hai
ve chat » va chat, van chat
vai cua » hai cua, lai cua, bai cua
va hanh » van hanh, va thanh, va danh
sach ky » sac ky, sach y, sach ty
hai hoi » dai hoi, hai moi, hai hai
ky dang » ky nang, ky danh
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ky dang hai hoi. hieu ((ve cam) or (ve chat)) xuc va hanh ((vai cua) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky dang hai hoi. hieu ((ve cam) OR (ve chat)) xuc va hanh ((vai cua) OR (dai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: hoc sach ky dang hai hoi. hieu ((ve cam) or (ve chat)) xuc va hanh ((vai cua) or (dai cua)) tre*.