Perhaps you should try some spelling variations:
sach tham » sach nha
sach thu » sach thue, sach thieu, cach thuc
thanh va » thanh van, hanh va, thanh ha
luc gia » luoc gia, duc gia, quoc gia
cuu tre » cua tre, cau tren, cau treo
cao luc » bao luc, cao duc, cao suc
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
va cao » va cac, va co, va dao

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 thu) OR (sach tham)) lang xa hoi. hieu va cao luc gia ((hanh vi) OR (thanh va)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach thu) OR (sach tham)) lang xa hoi. hieu va cao luc gia ((hanh vi) or (thanh va)) cuu tre~".
• Adding a wildcard symbol may retrieve word variants: te ((sach thu) OR (sach tham)) lang xa hoi. hieu va cao luc gia ((hanh vi) or (thanh va)) cuu tre*.