Perhaps you should try some spelling variations:
benh tai » benh dai, benh noi, hinh tai
tu sach » thu sach, su sach, te sach
xuc ban » duc ban, cuc ban, quoc ban
tai cua » thai cua, tai cuc, tri cua
cuu ban » cuu van, cua ban, cuu san
sach ky » sac ky, sach y, sach ty
van lam » van nam
van cam » van nam, van cau, van dam
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang xa hoi. hieu ((van cam) OR (van lam)) ((xuc ban) or (cuu ban)) benh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ((van cam) OR (van lam)) ((xuc ban) OR (cuu ban)) benh tai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ((van cam) OR (van lam)) ((xuc ban) or (cuu ban)) benh tai cua tre*".