Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
sang lap » sang tao, sang ma, sang tai
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
su sach » so sach, vu sach
ky sang » ky nang, ky dang, ky tang
hieu ve » hieu 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: su sach ky sang lap tai. ((hieu ve) OR (hieu van)) cam xuc ((va danh) OR (va hanh)) vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky sang lap tai. ((hieu ve) OR (hieu van)) cam xuc ((va danh) or (va hanh)) vi cua te~".
• Adding a wildcard symbol may retrieve word variants: su sach ky sang lap tai. ((hieu ve) OR (hieu van)) cam xuc ((va danh) or (va hanh)) vi cua te*.