Perhaps you should try some spelling variations:
copd processes » food processes (Expand search), npd processes (Expand search), coupled processes (Expand search)
decrease with » decreases with (Expand search), increase with (Expand search), decrease in (Expand search)
with disease » mouth disease (Expand search), tooth disease (Expand search), dutch disease (Expand search)
disease copd » disease case (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code piton » code position (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease with disease copd processes ) OR ( python code piton python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease with disease copd processes ) OR ( python code piton python programming ))*.