Perhaps you should try some spelling variations:
a transformed » _ transformed, _ transformer, a transforming
transformed a » transformed _, transformed 1, transformer 1
transfer bei » transfer beim, transfers bei, transfer der
issues model » issues mode, issues module, issues mobile
bei adam » i adam, bei aal
model a » model 1
a care » a case, day care, ear care

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( gua _ heat transfer bei adam ) OR ( issues model a transformed a care ))~.
• Adding a wildcard symbol may retrieve word variants: (( gua _ heat transfer bei adam ) or ( issues model a transformed a care ))*.