Perhaps you should try some spelling variations:
copd processes » food processes (Expand search), npd processes (Expand search), coupled processes (Expand search)
decrease spot » decrease sod (Expand search), decrease soon (Expand search), decrease of (Expand search)
spot disease » host disease (Expand search), wilt disease (Expand search)
disease copd » disease case (Expand search)
python reais » python regius (Expand search), python redes (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)
reais piton » reais python (Expand search), repteis piton (Expand search), reais pontos (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 spot disease copd processes ) OR ( python reais piton python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease spot disease copd processes ) OR ( python reais piton python programming ))*.