Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
ban hanh » ban hang
ky sang » ky nang, ky tang, duy sang
ky dang » ky nang, ky danh
cay cuc » cay coc, cay thuc, lay cuoc
cuc ban » cua ban, cac ban, cuu ban
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
va cay » va cac, va cao, va cai
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((ky sang) or (ky dang)) ma hoa. lieu va cay cuc ban hanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((ky sang) OR (ky dang)) ma hoa. lieu va cay cuc ban hanh va cua tre*.