Perhaps you should try some spelling variations:
sang tao » hang tai
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
va dinh » van dinh, va kinh, va tinh
dinh ve » dinh ket, dinh van
luc va » duc va, tuc va, loc va
ve cua » le cua, de cua, te cua

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 tao hoi. ((hieu ve) OR (hieu qua)) cam luc va dinh ve cua vat~.
• Adding a wildcard symbol may retrieve word variants: te sach ky sang tao hoi. ((hieu ve) or (hieu qua)) cam luc va dinh ve cua vat*.