Perhaps you should try some spelling variations:
processing medical » processing biomedical
processing medal » processing metal, processing modal, processing model
kilby signal » kill signal, fully signal
only signal » only sigma, only original, early signal
ree jack » lee jack, jie jack

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: ree jack s. ((kilby signal) OR (only signal)) ((processing medal) OR (processing medical)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ree jack s. ((kilby signal) OR (only signal)) ((processing medal) or (processing medical))".
• Adding a wildcard symbol may retrieve word variants: ree jack s. ((kilby signal) OR (only signal)) ((processing medal) or (processing medical))*.