Perhaps you should try some spelling variations:
decrease literacy » decrease litter (Expand search), decrease liver (Expand search)
literacy program » literacy process (Expand search)
pythons python » python python (Expand search), pitons python (Expand search), piton python (Expand search)
decrease of » decrease in (Expand search)
of decrease » not decrease (Expand search), to decrease (Expand search), of decree (Expand search)
c pythons » _ python (Expand search)
python c » python _ (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 literacy program ) OR ( python c pythons python programming ))~.