Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh tu » hanh tu, nhanh tu, thanh tung
vu cac » va cac, tu cac, vu cao
ma hoi » mai hoi, xa hoi, me hoi
ve cac » va cac, vien cac
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
tu cua » hu cua, vu 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: vu cac ky nang ((ma hoi) OR (ma hoa)). hieu ((ve cac) OR (va cam)) luc va thanh tu cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu cac ky nang ((ma hoi) OR (ma hoa)). hieu ((ve cac) or (va cam)) luc va thanh tu cua vat~".
• Adding a wildcard symbol may retrieve word variants: vu cac ky nang ((ma hoi) OR (ma hoa)). hieu ((ve cac) or (va cam)) luc va thanh tu cua vat*.