Perhaps you should try some spelling variations:
thien van » thi van
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
hieu van » hieu va, lieu va, hieu ve
vai cua » dai cua, hai cua, lai cua
duc van » duc va, duc tan, duc manh
lam duc » lam duoc, pham duc, nam duoc
sach vu » sach tu, sach uu, sach xu
lang ha » long ha
sach va » sach xa, sach ha, sach dao
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi

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 vu) OR (sach va)) lang ha hoi. ((hieu van) OR (thien van)) lam duc van thanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach vu) OR (sach va)) lang ha hoi. ((hieu van) or (thien van)) lam duc van thanh vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach vu) OR (sach va)) lang ha hoi. ((hieu van) or (thien van)) lam duc van thanh vai cua tre*.