Perhaps you should try some spelling variations:
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decrease on (Expand search)
toc programs » c programs (Expand search), plc programs (Expand search), msc programs (Expand search)
python redes » python regius (Expand search), python code (Expand search)
redes java » codes java (Expand search)

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

• Removing quotes may allow a broader search: (( decrease and decrease toc programs ) OR ( python redes java python programming ))~.