Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh mat » thanh dat, thanh mau, thanh mot
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
mat cua » ma cua, manh cua, mang cua
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
du ban » dua ban, duc ban, du bao
cua tu » cua tuc, cua su, cua cu

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: ((toc sach) OR (hoc sach)) y nang ma hoa. hieu ve cac du ban thanh mat cua tu~.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (hoc sach)) y nang ma hoa. hieu ve cac du ban thanh mat cua tu*.