Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
hanh tri » thanh tri, hanh tai, hanh trinh
truc va » thuc vat, trung va
thuc va » thuc vat, thuc dan, thuc day
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
x hoi » xa hoi, x ho, 5 hoi
o hoi » co hoi, o hoc, o hai

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: thu sach v nang ((x hoi) OR (o hoi)). lieu va cac ((truc va) OR (thuc va)) hanh tri cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach v nang ((x hoi) or (o hoi)). lieu va cac ((truc va) OR (thuc va)) hanh tri cua triet~".
• Adding a wildcard symbol may retrieve word variants: thu sach v nang ((x hoi) or (o hoi)). lieu va cac ((truc va) OR (thuc va)) hanh tri cua triet*.