Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
tu sach » thu sach, su sach, te sach
duc van » duc va, duc tan, duc manh
cua tre » cua te, cua triet, dua tren
lam duc » lam duoc, pham duc, nam duoc
sach vu » sach va, sach tu, sach uu
lang ha » long ha
vu lang » va lang, vu dang, cu lang
cuu tre » cau tren, cau treo
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 lang ha hoi. ((hieu van) OR (thien van)) lam duc van thanh vai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach vu lang ha hoi. ((hieu van) or (thien van)) lam duc van thanh vai ((cua tre) OR (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: tu sach vu lang ha hoi. ((hieu van) or (thien van)) lam duc van thanh vai ((cua tre) OR (cuu tre))*.