Perhaps you should try some spelling variations:
decrease complex » disease complex (Expand search), decreased compared (Expand search), protease complex (Expand search)
complex problems » complex projects (Expand search)
python codigo » python coding (Expand search), python code (Expand search)
codigo pitons » codigo python (Expand search), codigo pitagoras (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » and decrease (Expand search), can increase (Expand search), to decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease can decrease complex problems ) OR ( python codigo pitons python programming ))~.