Perhaps you should try some spelling variations:
quality programmes » quality programs (Expand search), quality program (Expand search), mobility programmes (Expand search)
decrease quality » increase quality (Expand search), disease quality (Expand search)
function python » function path (Expand search), function protein (Expand search), function plasmon (Expand search)
code decrease » oxide decrease (Expand search), roads decrease (Expand search), to decrease (Expand search)
code function » cone function (Expand search), node function (Expand search), mode function (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code code » code cdc (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( code code decrease quality programmes ) OR ( python code function python programming ))~.