Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va
lap hai » lap tai, lap lai, lap hoat
ky dang » ky nang, ky danh
ky tang » ky nang, kho tang, ky trong
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
cua te » cua tu

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 tang) OR (ky dang)) lap hai. ((hieu ve) OR (hieu van)) cam xuc va hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky tang) or (ky dang)) lap hai. ((hieu ve) OR (hieu van)) cam xuc va hanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky tang) or (ky dang)) lap hai. ((hieu ve) OR (hieu van)) cam xuc va hanh vi cua te*.