Perhaps you should try some spelling variations:
disease progress » disease process (Expand search), disease progression (Expand search)
disease disease » diseases disease (Expand search)
position python » position method (Expand search), piton python (Expand search), position methods (Expand search)
decrease skin » decrease in (Expand search), increase skin (Expand search), decrease soon (Expand search)
code position » coda position (Expand search), bone position (Expand search), cage position (Expand search)
skin disease » skin diseases (Expand search), in disease (Expand search)
python code » python coding (Expand search), python redes (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 skin disease disease progress ) OR ( python code position python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease skin disease disease progress ) OR ( python code position python programming ))*.