Perhaps you should try some spelling variations:
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
at programming » arts programming (Expand search), data programming (Expand search), and programming (Expand search)
their disease » the disease (Expand search), hair diseases (Expand search)
tests python » reais python (Expand search)
python code » python coding (Expand search), python redes (Expand search)
disease at » disease an (Expand search), disease and (Expand search), disease after (Expand search)
code tests » score tests (Expand search), cloze tests (Expand search), clone tests (Expand search)

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

• Removing quotes may allow a broader search: (( decrease their disease at programming ) OR ( python code tests python programming ))~.