Perhaps you should try some spelling variations:
cao hoat » co hoat, cao chat, dan hoat
ban hanh » ban hang
cac hoat » cac khoan, cac thuat, cac hop
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
hanh ve » hanh vi, hanh va, hanh kem
xuc ban » duc ban, cuc ban, quoc ban
cao xuc » cam xuc, cao duc, cao suc
cuu tre » cua tre, cau tren, cau treo
ty nang » ky nang, ty xang, ty hang
va cao » va cac, va co, va dao
cua te » cua tu

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 ty nang ((cao hoat) OR (cac hoat)). lieu va cao xuc ban hanh ve ((cua te) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang ((cao hoat) OR (cac hoat)). lieu va cao xuc ban hanh ve ((cua te) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty nang ((cao hoat) OR (cac hoat)). lieu va cao xuc ban hanh ve ((cua te) or (cuu tre))*".