Perhaps you should try some spelling variations:
bioactivity program » activity program (Expand search), productivity program (Expand search), bioactivity proteome (Expand search)
decrease processes » disease processes (Expand search), defense processes (Expand search), decay processes (Expand search)
method bioactivity » ethanol bioactivity (Expand search), the bioactivity (Expand search), vitro bioactivity (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decrease sucrose (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)
python c » python _ (Expand search)
c method » lc method (Expand search), abc method (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 to decrease decrease processes ) OR ( python c method bioactivity program ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease to decrease decrease processes ) OR ( python c method bioactivity program ))*.