Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
tu sai » tu bai, tu san, tu cai
va cao » va cac, va co, va dao
luc va » duc va, tuc va, loc va
ve cam » ve cham, ve cac, va cam
sai ky » sac ky
ma hoi » mai hoi, ma hoa, me hoi
vi cua » vai cua, di cua

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: tu sai ky nang ((ma hoi) OR (xa hoi)). hieu ((ve cam) OR (va cao)) luc va thanh vi cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang ((ma hoi) OR (xa hoi)). hieu ((ve cam) or (va cao)) luc va thanh vi cua vat~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang ((ma hoi) OR (xa hoi)). hieu ((ve cam) or (va cao)) luc va thanh vi cua vat*.