Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
vu sach » vu bach, su sach, vu khach
va dinh » van dinh, va kinh, va tinh
ky sang » ky nang, ky dang, ky tang
lap hai » lap tai, lap lai, lap hoat
hieu va » lieu va
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
di cua » doi cua, de cua, do cua
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky sang lap hai. ((hieu va) OR (hieu qua)) cac xuc va dinh ((di cua) or (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky sang lap hai. ((hieu va) OR (hieu qua)) cac xuc va dinh ((di cua) OR (dai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky sang lap hai. ((hieu va) OR (hieu qua)) cac xuc va dinh ((di cua) or (dai cua)) te".
• Adding a wildcard symbol may retrieve word variants: vu sach ky sang lap hai. ((hieu va) OR (hieu qua)) cac xuc va dinh ((di cua) or (dai cua)) te*.