Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
vai cau » va cau, van cau, vai cac
y nang » ky nang, ly nang, v nang
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
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: tu sach y nang x hoi. hieu ve chat ((xuc va) or (tuc va)) hanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang x hoi. hieu ve chat ((xuc va) OR (tuc va)) hanh vai cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. hieu ve chat ((xuc va) or (tuc va)) hanh vai cau tren*.