Perhaps you should try some spelling variations:
dieu cua » dieu tra
anh dieu » hanh dieu, anh sieu, nganh dieu
thuc van » thuc vat, thuc dan, thuc va
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
mai hoi » mai khoi, dai hoi, lai hoi
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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 y nang ((xa hoi) or (mai hoi)). hieu vu cham ((xuc van) or (thuc van)) anh dieu cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ((xa hoi) OR (mai hoi)). hieu vu cham ((xuc van) OR (thuc van)) anh dieu cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ((xa hoi) or (mai hoi)). hieu vu cham ((xuc van) or (thuc van)) anh dieu cua tre*.