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