Perhaps you should try some spelling variations:
decrease soil » decreases soil (Expand search), increase soil (Expand search), decrease il (Expand search)
soil decrease » oil decreases (Expand search), soil increase (Expand search), soil increases (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)
decrease by » decreased by (Expand search), decrease in (Expand search), decrease of (Expand search)
by programa » y programa (Expand search), by programs (Expand search), bad programa (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 soil decrease by programa ) OR ( python code piton python programming ))~.