Perhaps you should try some spelling variations:
thanh ca » thanh cha, thanh cac, thanh ha
ky dang » ky danh
hieu ve » hieu va, hieu van
loc va » hoc va
ca cua » co cua
va sac » va cac, va suc, va san
luc va » duc va, tuc va
ve cac » va cac, vien cac
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 sac ((ky dang) OR (ky nang)) xa hoi. hieu ve cac ((luc va) OR (loc va)) thanh ca cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "va sac ((ky dang) OR (ky nang)) xa hoi. hieu ve cac ((luc va) or (loc va)) thanh ca cua te~".
• Adding a wildcard symbol may retrieve word variants: va sac ((ky dang) OR (ky nang)) xa hoi. hieu ve cac ((luc va) or (loc va)) thanh ca cua te*.