Perhaps you should try some spelling variations:
hinh thai » sinh thai, tinh thai, dinh thi
hanh thai » nhanh thai, hanh tai, anh thai
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
cua tre » cuu tre, cua triet, dua tren
xuc van » duc van, luc van, vuc van
sach ty » sach y, sach tu, sach thu
cac xuc » cam xuc, cac nuoc, chat xuc
van cac » van hac, van cau, van bac
nang so » nang som, nang co, nang ho
ty nang » ky nang, ty xang, ty hang
so hai » son hai, su hai, so ha
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang so hai. hieu van cac xuc van ((hanh thai) or (hinh thai)) ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang so hai. hieu van cac xuc van ((hanh thai) OR (hinh thai)) ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang so hai. hieu van cac xuc van ((hanh thai) or (hinh thai)) ((cua tre) or (cua te))*.