Perhaps you should try some spelling variations:
so sanh » do sanh
vu sach » vu bach, su sach, vu khach
hanh va » hang va, hanh vi
hieu ve » hieu va, hieu van
lo van » le van, vo van, so van
va cua » va chua, via cua, ca cua
ve cac » va cac, vien cac
cua te » cua tu
lo va » lao va, ly va, le va
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sanh) OR (vu sach)) ky nang x hoi. hieu ve cac ((lo va) OR (lo van)) hanh va cua te~.
• Adding a wildcard symbol may retrieve word variants: ((so sanh) or (vu sach)) ky nang x hoi. hieu ve cac ((lo va) or (lo van)) hanh va cua te*.