Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
qua cham » qua hai, qua cac, va cham
lang xa » lang ha, dang xay, lang van
nang xa » nang ma, mang xa, ang xa
soc gia » toc gia, hoc gia, so gia
cua tre » cua te, cuu tre, cua triet
su van » tu van, vu van

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su van ky ((((nang xa) OR (nang x))) OR (lang xa)) hoi. hieu qua cham soc gia thanh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su van ky ((((nang xa) OR (nang x))) or (lang xa)) hoi. hieu qua cham soc gia thanh dai cua tre~".
• Adding a wildcard symbol may retrieve word variants: su van ky ((((nang xa) OR (nang x))) or (lang xa)) hoi. hieu qua cham soc gia thanh dai cua tre*.