Perhaps you should try some spelling variations:
cua thanh » gia thanh, va thanh, ha thanh
thanh soc » thanh son, nhanh soc, thanh hoc
hieu cua » hieu qua, dieu cua, bieu cua
dien cuc » dien tu, dieu cua, dien hoc
vien cac » vien bach, vien dai, vien da
te sach » toc sach
va danh » va dinh, va dan, va hanh
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
soc va » hoc va, loc va, doc va
x hoi » xa hoi, o hoi, x ho

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang x hoi. hieu cua thanh soc va danh ((dien cuc) OR (vien cac)) tre~".
• Adding a wildcard symbol may retrieve word variants: te sach v nang x hoi. hieu cua thanh soc va danh ((dien cuc) OR (vien cac)) tre*.