Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
xang cay » xanh cay, nang cao, hang ca
xang dau » hang dau
hanh va » hang va, hanh vi
te sach » toc sach
van hau » van ha, van hai, van dau
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
luc va » tuc va, loc va
va cua » va chua, via cua, ca 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: te sach ty ((xang cay) OR (xang dau)) phoi. hieu van hau ((luc va) OR (duc va)) hanh va cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((xang cay) OR (xang dau)) phoi. hieu van hau ((luc va) or (duc va)) hanh va cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ty ((xang cay) OR (xang dau)) phoi. hieu van hau ((luc va) or (duc va)) hanh va cua tre*.