Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thuc ban » thuoc ban, thuc dan, thu ban
thanh de » hanh de, thanh ve, thanh do
nam thuc » nam thuoc, am thuc, nam thu
vu sach » su sach, vu khach
nang xa » nang x, lang xa, nang ma
hieu le » hieu ve, hieu he, hieu ly
le nam » ly nam, he nam, le na
y nang » ky nang, ly nang, v nang
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: ((vu sach) OR (vu bach)) y nang xa hoi. hieu le nam thuc ban thanh de ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu bach)) y nang xa hoi. hieu le nam thuc ban thanh de ((cua te) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (vu bach)) y nang xa hoi. hieu le nam thuc ban thanh de ((cua te) or (cua tu))*".