Perhaps you should try some spelling variations:
thanh than » thanh thanh, thanh thang, thanh toan
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
than cua » nhan cua, thai cua, ban cua
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
thuc va » thuc vat, thuc dan, thuc day
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cao, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ly nang xa hoi. hieu ((va cam) or (va cac)) thuc va thanh than cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ly nang xa hoi. hieu ((va cam) OR (va cac)) thuc va thanh than cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach ly nang xa hoi. hieu ((va cam) or (va cac)) thuc va thanh than cua tre*.