Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hieu hien » bieu hien, dieu hien, chieu chien
van triet » va triet, van thiet, van trieu
hien cac » thien cac, vien cac, hieu cac
ty nang » ky nang, ty hang, ly nang
hanh ve » hanh vi, hanh va, hanh kem
dac va » duc va, day va, dai va
ve van » le van
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: thuoc sach ((ty nang) or (ty xang)) x hoi. hieu hien cac ((dac va) or (dat va)) hanh ve van triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ((ty nang) OR (ty xang)) x hoi. hieu hien cac ((dac va) OR (dat va)) hanh ve van triet.
• Adding a wildcard symbol may retrieve word variants: thuoc sach ((ty nang) or (ty xang)) x hoi. hieu hien cac ((dac va) or (dat va)) hanh ve van triet*.