Perhaps you should try some spelling variations:
sach hoi » sach doi, sach moi, cach thoi
cham xuc » cam xuc, chat xuc, cham soc
dang xay » dang van, van xay
hieu van » hieu va, thien van, lieu va
te sach » toc sach
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va
lang ha » long ha
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di 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 hoi ((lang ha) OR (dang xay)) hoi. ((hieu ve) OR (hieu van)) cham xuc va danh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoi ((lang ha) or (dang xay)) hoi. ((hieu ve) OR (hieu van)) cham xuc va danh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach hoi ((lang ha) or (dang xay)) hoi. ((hieu ve) OR (hieu van)) cham xuc va danh vi cua tre*.