Perhaps you should try some spelling variations:
decrease signal » increased signal (Expand search), decrease renal (Expand search), decrease stigma (Expand search)
notes decrease » not decrease (Expand search), quotas decrease (Expand search), not decreased (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
python using » python coding (Expand search), python usando (Expand search), action using (Expand search)
using python » usando python (Expand search), in python (Expand search)
code notes » corde notes (Expand search), coffe notes (Expand search), some notes (Expand search)

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

• Removing quotes may allow a broader search: (( code notes decrease signal processing ) OR ( python using python python programming ))~.