Perhaps you should try some spelling variations:
thieu nien » thien nhien
thu sach » tu sach, thuat sach, thuoc sach
nien dau » nhien dai, chien dau, hien dai
van dung » van dong, xay dung, tin dung
ty dang » ty xang, ky dang, ty dong
ty hang » ly hang, ty xang, thi hang
xay hoi » xa hoi, tay hoi, cay phoi
dau ngo » dau ngoc, dai ngo, dau nguoi
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo

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 ((ty dang) or (ty hang)) xay hoi. thieu nien dau ngo van dung tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((ty dang) OR (ty hang)) xay hoi. thieu nien dau ngo van dung tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ((ty dang) or (ty hang)) xay hoi. thieu nien dau ngo van dung tai cuu tre*.