Perhaps you should try some spelling variations:
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their progress » the progress (Expand search), their process (Expand search), their programs (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)
decrease of » decrease in (Expand search)
of decrease » not decrease (Expand search), to decrease (Expand search), of decree (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code piton » code position (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 their progress ) OR ( python code piton python programming ))~.