Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
tham xuc » tham nuoc, tham thuc, pham duc
thanh di » thanh doi, thanh de, thanh do
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va tham » van tham, va cham, va thanh
xuc ban » duc ban, cuc ban, quoc ban
cua tu » cua tuc, cua su, cua cu

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 lang xa hoi. lieu va tham xuc ban thanh di ((cua te) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky lang xa hoi. lieu va tham xuc ban thanh di ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: so sach ky lang xa hoi. lieu va tham xuc ban thanh di ((cua te) OR (cua tu))*.