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

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 o 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: tu sach ky nang o hai. hieu van cac xuc van ((hanh thai) OR (hinh thai)) ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang o hai. hieu van cac xuc van ((hanh thai) or (hinh thai)) ((cua tre) or (cua te))*.