Perhaps you should try some spelling variations:
than dieu » nhan dieu, han dieu, thuat dieu
thu sach » tu sach, thuat sach, thuoc sach
dieu cua » dieu tra
gia than » gia thanh, gia nhan, gia tuan
tuc gia » tac gia, duc gia, toc gia
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cua te, cuu tre, cua triet
thi van » thi lan, thi hanh, thi nang
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((y nang) or (v nang)) xa hoi. ((thien van) or (thi van)) cam tuc gia than dieu cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((y nang) OR (v nang)) xa hoi. ((thien van) OR (thi van)) cam tuc gia than dieu cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ((y nang) or (v nang)) xa hoi. ((thien van) or (thi van)) cam tuc gia than dieu cua tre*.