Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
ve cai » va cai, ve cac, ve tai
loc va » hoc va, luc va
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 cac ky lang xa hoi. hieu ((ve cai) OR (vu cham)) loc va hanh vi cua viet~.
• Adding a wildcard symbol may retrieve word variants: tu cac ky lang xa hoi. hieu ((ve cai) or (vu cham)) loc va hanh vi cua viet*.