Perhaps you should try some spelling variations:
hang dai » hoang dai, hang tai, hang dau
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
va hang » van hang, va nang, va lang
ma hoi » mai hoi, xa hoi, me hoi
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

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 sach ky nang ((ma hoi) OR (ma hoa)). hieu ((ve cam) OR (va cam)) xuc va hang dai cua vat~.
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang ((ma hoi) or (ma hoa)). hieu ((ve cam) or (va cam)) xuc va hang dai cua vat*.