Perhaps you should try some spelling variations:
su sach » so sach, vu sach
danh di » danh du, xanh di, danh dien
dinh di » dinh du, dinh vi, dinh da
xuc van » duc van, luc van, vuc van
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
ve cam » ve cham, ve cac, va cam

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 ma) OR (mang may)) hoi. hieu ve cam xuc van ((dinh di) OR (danh di)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((sang ma) or (mang may)) hoi. hieu ve cam xuc van ((dinh di) OR (danh di)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((sang ma) or (mang may)) hoi. hieu ve cam xuc van ((dinh di) OR (danh di)) cua tre*.