Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
va triet » va thiet, va trien, ve triet
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
x hoi » xa hoi, x ho, 5 hoi
o hoi » co hoi, o hoc, o hai
vu va » vu van, tu va, su va
dich » dinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y nang ((x hoi) or (o hoi)). hieu ve cac xuc van dich vu va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y nang ((x hoi) OR (o hoi)). hieu ve cac xuc van dich vu va triet.
• Adding a wildcard symbol may retrieve word variants: thuoc sach y nang ((x hoi) or (o hoi)). hieu ve cac xuc van dich vu va triet*.