Perhaps you should try some spelling variations:
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
thanh ve » hanh ve, thanh va, thanh vien
su sach » so sach, vu sach
soc gia » toc gia, hoc gia, so gia
cu tren » tu tren, dua tren
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho
ve cu » ve cau, ve chu, ve cua

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 sach y nang x hoi. ((hieu van) OR (thien van)) cham soc gia thanh ve cu tren~.
• Adding a wildcard symbol may retrieve word variants: su sach y nang x hoi. ((hieu van) or (thien van)) cham soc gia thanh ve cu tren*.