Perhaps you should try some spelling variations:
dinh thai » dinh thi, sinh thai, tinh thai
hieu van » hieu va, thien van, lieu va
thai cua » than cua, tai cuc, tri cua
van dinh » van minh, van dich, va dinh
su sach » so sach, vu sach
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va
nang co » nang doc, nang noi, nang hoc

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

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