Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
ky sang » ky dang, ky tang, duy sang
va hanh » van hanh, va thanh, va danh
ma hoi » mai hoi, xa hoi, ma hoa
ve cai » va cai, ve cac, ve tai
va cam » va cham, va cac, va cao
xuc va » duc va, tuc 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 sach ((ky sang) OR (ky nang)) ma hoi. hieu ((ve cai) OR (va cam)) xuc va hanh vi cua vat~.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky sang) or (ky nang)) ma hoi. hieu ((ve cai) or (va cam)) xuc va hanh vi cua vat*.