Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
hanh sai » hanh san, hanh tai, danh sai
sach ty » sach y, sach thu, xach tay
sach tu » sach thu, cach tu, sach uu
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
sai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc 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: tu ((sach ty) OR (sach tu)) lang xa hoi. hieu ve cham luc va hanh sai cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach tu)) lang xa hoi. hieu ve cham luc va hanh sai cua tre*.