Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
cua te » cua tu
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 cac) or (va cac))) or (vien cac)) xuc va thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang x hoi. hieu ((((ve cac) OR (va cac))) OR (vien cac)) xuc va thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. hieu ((((ve cac) or (va cac))) or (vien cac)) xuc va thanh vi cua te*.