Perhaps you should try some spelling variations:
disease progress » disease process (Expand search), disease progression (Expand search)
package python » pacote python (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease sod » decrease std (Expand search), decrease food (Expand search), decrease of (Expand search)
sod diseases » cord diseases (Expand search), seed diseases (Expand search), food diseases (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 sod diseases disease progress ) OR ( python package python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease sod diseases disease progress ) OR ( python package python python programming ))*.