Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
hoc sach » hoc sinh, hoc cac, hoc anh
sach ky » sac ky, sach y, sach ty
tai cua » thai cua, tai cuc, tri cua
truc va » thuc va, thuc vat, trung va
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
loc va » hoc va, luc va
tuc va » thuc va, tuc xa, duc va
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 ky lang xa hoi. lieu va cam ((loc va) or (((tuc va) OR (truc va)))) thanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky lang xa hoi. lieu va cam ((loc va) OR (((tuc va) OR (truc va)))) thanh tai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ky lang xa hoi. lieu va cam ((loc va) or (((tuc va) OR (truc va)))) thanh tai cua tre".
• Adding a wildcard symbol may retrieve word variants: hoc sach ky lang xa hoi. lieu va cam ((loc va) or (((tuc va) OR (truc va)))) thanh tai cua tre*.