Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, va tinh, le thanh
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
lam duc » lam duoc, pham duc, nam duoc
cuu tre » cua tre, cau tren, cau treo
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
de cuu » de cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach v nang xa hoi. ((thien van) or (thi van)) lam duc ((va thanh) OR (ban thanh)) de cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach v nang xa hoi. ((thien van) OR (thi van)) lam duc ((va thanh) OR (ban thanh)) de cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach v nang xa hoi. ((thien van) or (thi van)) lam duc ((va thanh) OR (ban thanh)) de cuu tre".
• Adding a wildcard symbol may retrieve word variants: thu sach v nang xa hoi. ((thien van) or (thi van)) lam duc ((va thanh) OR (ban thanh)) de cuu tre*.