Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
di cua » dai cua, doi cua, de cua
vi cua » vai cua
xuc va » duc va, tuc va, luc va
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
ma hoi » mai hoi, xa hoi, ma 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: tu sach y nang ma hoi. hieu ((ve cac) OR (vien bach)) xuc va thanh ((vi cua) OR (di cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ma hoi. hieu ((ve cac) or (vien bach)) xuc va thanh ((vi cua) OR (di cua)) te~".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ma hoi. hieu ((ve cac) or (vien bach)) xuc va thanh ((vi cua) OR (di cua)) te*.