Perhaps you should try some spelling variations:
decreases processes » decrease processes (Expand search)
disease decreases » disease increased (Expand search), disease cases (Expand search), disease disease (Expand search)
validation python » validation method (Expand search), animation python (Expand search), validation methods (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
python cross » photon cross (Expand search), pion cross (Expand search), proton cross (Expand search)
akt disease » at disease (Expand search), rot disease (Expand search), not disease (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 akt disease decreases processes ) OR ( python cross validation python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease akt disease decreases processes ) OR ( python cross validation python programming ))*.