Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
va thanh » gia thanh, ban thanh, va tinh
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty dang » ty xang, ky dang, ty hang
dang xa » dang xay, lang xa, dang ha
truc va » thuc va, thuc vat, trung va
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
ve nam » he nam, le nam, te nam
va nam » van nam, ha nam, va nay

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty dang xa hoi. hieu ((ve nam) OR (va nam)) truc va thanh tai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty dang xa hoi. hieu ((ve nam) OR (va nam)) truc va thanh tai cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ty dang xa hoi. hieu ((ve nam) OR (va nam)) truc va thanh tai cua tre*.