Perhaps you should try some spelling variations:
wsn programming » in programming (Expand search), on programming (Expand search), cone programming (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
irc decrease » or decrease (Expand search), price decrease (Expand search), virus decrease (Expand search)
decrease wsn » decrease when (Expand search), decrease in (Expand search), decrease on (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code python » codigo python (Expand search), pacote python (Expand search)
code irc » code in (Expand search), code art (Expand search), code is (Expand search)

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

• Removing quotes may allow a broader search: (( code irc decrease wsn programming ) OR ( python code python python programming ))~.