Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cham xuc » cam xuc, chat xuc, cham soc
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
xuc ban » duc ban, cuc ban, quoc ban
tu cham » toc cham, thi cham
hien tu » khien tu, dien tu
hoa hoi » khoa hoi, hoa doi, hoc hoi
ky dong » ly dong, ky dang, ky cong
va cua » va chua, via cua, ma cua
ca cua » co cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky dong ((hoa hoi) OR (hoa hoc)). hien tu cham xuc ban thanh ((va cua) or (ca cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky dong ((hoa hoi) OR (hoa hoc)). hien tu cham xuc ban thanh ((va cua) OR (ca cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky dong ((hoa hoi) OR (hoa hoc)). hien tu cham xuc ban thanh ((va cua) or (ca cua)) te".
• Adding a wildcard symbol may retrieve word variants: so sach ky dong ((hoa hoi) OR (hoa hoc)). hien tu cham xuc ban thanh ((va cua) or (ca cua)) te*.