Perhaps you should try some spelling variations:
sang mai » sang ma, sang tai, lang mai
thanh do » thanh de, thanh pho, thanh hoa
thanh di » thanh doi, thanh de, thanh dinh
te sach » toc sach
ky sang » ky nang, ky dang, ky tang
mai hoi » mai khoi, dai hoi, lai hoi
sach ky » sac ky, sach y, sach ty
xuc van » duc van, luc van, vuc van
va cam » va cham, va cac, va cao
ve cam » ve cham, ve cac, ve cai

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: te sach ky sang mai hoi. hieu ((ve cam) OR (va cam)) xuc van ((thanh di) OR (thanh do)) cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky sang mai hoi. hieu ((ve cam) or (va cam)) xuc van ((thanh di) OR (thanh do)) cua vat~".
• Adding a wildcard symbol may retrieve word variants: te sach ky sang mai hoi. hieu ((ve cam) or (va cam)) xuc van ((thanh di) OR (thanh do)) cua vat*.