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 nang » ky nang, ty xang, ty hang
hieu ve » hieu van
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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 nang x ho. ((hieu ve) OR (hieu va)) cam tuc va thanh tai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty nang x ho. ((hieu ve) OR (hieu va)) cam tuc va thanh tai cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ty nang x ho. ((hieu ve) OR (hieu va)) cam tuc va thanh tai cua tre*.