Perhaps you should try some spelling variations:
dinh thai » dinh thi, sinh thai, tinh thai
thai cua » than cua, tai cuc, tri cua
va dinh » van dinh, va kinh, va tinh
cac xuc » cam xuc, cac nuoc, chat xuc
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach kem
xay hoi » tay hoi, cay phoi, gay thoi
sach ty » sach y, sach tu, sach thu
xuc va » duc va, tuc va, luc va

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) or (sach ty)) dang ((xay hoi) OR (xa hoi)). lieu va cac xuc va dinh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) dang ((xay hoi) OR (xa hoi)). lieu va cac xuc va dinh thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach ty)) dang ((xay hoi) OR (xa hoi)). lieu va cac xuc va dinh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) dang ((xay hoi) OR (xa hoi)). lieu va cac xuc va dinh thai cua tre*.