Perhaps you should try some spelling variations:
sach kem » hanh kem
thanh de » hanh de, thanh ve, thanh do
hieu van » hieu va, thien van, lieu va
luc gia » luoc gia, duc gia, quoc gia
xuc gia » duc gia, tuc gia, quoc gia
van cau » van dau, van hau, van chat
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
de cua » le cua, te cua, dieu cua

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 kem) OR (sac ky)) nang xa hoi. hieu van cau ((xuc gia) OR (luc gia)) thanh de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach kem) or (sac ky)) nang xa hoi. hieu van cau ((xuc gia) OR (luc gia)) thanh de cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach kem) or (sac ky)) nang xa hoi. hieu van cau ((xuc gia) OR (luc gia)) thanh de cua tre*.