Perhaps you should try some spelling variations:
ladder programming » linear programming (Expand search), and programming (Expand search), based programming (Expand search)
decrease ladder » decreased bladder (Expand search), decrease after (Expand search), decrease litter (Expand search)
python based » action based (Expand search)
based lambda » laser lambda (Expand search), and lambda (Expand search), typed lambda (Expand search)
decrease of » decrease in (Expand search)
of decrease » not decrease (Expand search), to decrease (Expand search), of decree (Expand search)

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

• Removing quotes may allow a broader search: (( decrease of decrease ladder programming ) OR ( python based lambda python programming ))~.