Perhaps you should try some spelling variations:
extraction method » extraction methods (Expand search)
coder function » modern function (Expand search), power function (Expand search), over function (Expand search)
and extraction » fluid extraction (Expand search)
usando codigo » usando codigos (Expand search), jusante codigo (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( coder function AND extraction method ) OR ( usando codigo python python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder function and extraction method ) OR ( usando codigo python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder function and extraction method ) OR ( usando codigo python python programming ))*.