Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
hieu va » lieu va, hieu qua
va cham » va chat, va tham
luc va » duc va, tuc va, loc va
cua te » cua tu
xac va » tac va, ac va, bac va
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va
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: thu sach y nang x hoi. hieu va cham ((((xuc va) OR (xac va))) or (luc va)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang x hoi. hieu va cham ((((xuc va) OR (xac va))) OR (luc va)) hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang x hoi. hieu va cham ((((xuc va) OR (xac va))) or (luc va)) hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. hieu va cham ((((xuc va) OR (xac va))) or (luc va)) hanh vai cua te*.