Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
ky danh » ky anh
ky dang » ky nang
hieu va » lieu va, hieu qua
loc va » hoc va
va cua » va chua, via cua, ca cua
va ban » van ban, va bai, va bao
luc va » duc va, tuc va
cua te » cua tu

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: va ban ((ky danh) OR (ky dang)) xa hoi. hieu va cac ((luc va) OR (loc va)) thanh va cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "va ban ((ky danh) OR (ky dang)) xa hoi. hieu va cac ((luc va) or (loc va)) thanh va cua te~".
• Adding a wildcard symbol may retrieve word variants: va ban ((ky danh) OR (ky dang)) xa hoi. hieu va cac ((luc va) or (loc va)) thanh va cua te*.