Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
hoc sach » hoc sinh, hoc cac, hoc anh
tai cua » thai cua, tai cuc, tri cua
truc va » thuc va, trung va
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
va cam » va cham, va cac, va cao

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

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