Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
lv nang » ly nang
van cam » van nam, van cau, van dam
van lam » van nam
va hanh » van hanh, va thanh, va danh
so sanh » do sanh
ma hoi » mai hoi, xa hoi, ma hoa
v nang » va nang, vu nang, van nang
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ((v nang) or (lv nang)) ma hoi. hieu ((van cam) or (van lam)) tuc va hanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ((v nang) OR (lv nang)) ma hoi. hieu ((van cam) OR (van lam)) tuc va hanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: so sanh ((v nang) or (lv nang)) ma hoi. hieu ((van cam) or (van lam)) tuc va hanh vi cua viet*.