Perhaps you should try some spelling variations:
qua tham » qua cham, qua than, qua thanh
tham soc » cham soc, tham nuoc, thai son
dan dien » doan dien, danh dien, dan den
dien cuc » dien tu, dieu cua, vien cac
te sach » toc sach
vu nang » vuc nang, va nang, vu dang
cuc tre » duc tre, cua tre, cuu tre
v nang » va nang, van nang, voi nang
soc va » hoc va, loc va, doc va
va dan » ca dan, va dao, va dau
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((v nang) or (vu nang)) x hoi. hieu qua tham soc va dan dien cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((v nang) OR (vu nang)) x hoi. hieu qua tham soc va dan dien cuc tre*.