Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
han tai » hang tai, nhan tai, van tai
hieu su » hieu sau, tieu su, hieu so
dieu vu » dien vu, dieu va, dieu cua
hieu vu » hieu va, hieu ve, hieu qua
lap hai » lap tai, lap lai, lap hoat
ky sang » ky nang, ky dang, ky tang
xuc va » duc va, tuc va, luc va
va han » va phan, van han, va hanh
cuc te » cua te, cuc thue, cuc tieu

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

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