Perhaps you should try some spelling variations:
ky trong » ly trong, ke trong, cay trong
cua tre » cua te, cuu tre, cua triet
dinh de » dinh ve, dinh du, dinh le
va dinh » van dinh, va kinh, va tinh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
cac hoc » cach hoc, cac hop, bac hoc
vu hai » su hai, vu ha
soc va » hoc va, loc va, doc va
su tai » su thi, tu tai
de cua » le cua, te cua, dieu cua
vu sai » vu san, vu dai, vu tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sai) or (((su tai) or (vu hai)))) ky trong cac hoc. hieu ve cham soc va dinh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sai) OR (((su tai) OR (vu hai)))) ky trong cac hoc. hieu ve cham soc va dinh de cua tre.
• Adding a wildcard symbol may retrieve word variants: ((vu sai) or (((su tai) or (vu hai)))) ky trong cac hoc. hieu ve cham soc va dinh de cua tre*.