Perhaps you should try some spelling variations:
decrease burden » disease burden (Expand search), decrease further (Expand search)
burden decrease » burden disease (Expand search), urea decrease (Expand search), burgers decreases (Expand search)
obra programada » obra programas (Expand search), obra programa (Expand search), obras programacao (Expand search)
decrease obra » decrease or (Expand search), decrease of (Expand search), decrease by (Expand search)
python code » python coding (Expand search), python redes (Expand search)
pitons » citons (Expand search), pitoni (Expand search), pitoes (Expand search)

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

• Removing quotes may allow a broader search: (( decrease burden decrease obra programada ) OR ( python code pitons python programming ))~.