Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cau tren » cu tren, dau tren, ca tren
thanh vi » hanh vi, thanh va, thanh ve
xuc ban » duc ban, cuc ban, quoc ban
sach ty » sach y, sach tu, sach thu
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, mang may
cua te » cua tu
va cam » va cham, va cac, va cao

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 ma) OR (nang cao)) hoi. lieu va cam xuc ban thanh vi ((cua te) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty ((nang ma) OR (nang cao)) hoi. lieu va cam xuc ban thanh vi ((cua te) OR (cau tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty ((nang ma) OR (nang cao)) hoi. lieu va cam xuc ban thanh vi ((cua te) or (cau tren))*".