Perhaps you should try some spelling variations:
ky dang » ky nang
ky danh » ky anh
mat hoi » mai hoi, sat hoi, mat troi
hieu ve » hieu va, hieu van
so sac » so sach, so dac
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
vi hoa » voi hoa, vi hoc, va hoa

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: so sac ((ky dang) OR (ky danh)) mat hoi. hieu ve cam ((tuc va) OR (thuc vat)) hanh vi hoa viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac ((ky dang) OR (ky danh)) mat hoi. hieu ve cam ((tuc va) or (thuc vat)) hanh vi hoa viet~".
• Adding a wildcard symbol may retrieve word variants: so sac ((ky dang) OR (ky danh)) mat hoi. hieu ve cam ((tuc va) or (thuc vat)) hanh vi hoa viet*.