Perhaps you should try some spelling variations:
ban thanh » ban hang
thu sach » tu sach, thuat sach, thuoc sach
ban hanh » ban hang
lap cua » lai cua, tap cua, lam cua
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
dao duc » giao duc, tao duoc
cua te » cua tu
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. hieu ve ((cam duc) or (dao duc)) ((ban thanh) OR (ban hanh)) lap cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang x hoi. hieu ve ((cam duc) OR (dao duc)) ((ban thanh) OR (ban hanh)) lap cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang x hoi. hieu ve ((cam duc) or (dao duc)) ((ban thanh) OR (ban hanh)) lap cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. hieu ve ((cam duc) or (dao duc)) ((ban thanh) OR (ban hanh)) lap cua te*.