Perhaps you should try some spelling variations:
detection method » detection methods (Expand search), selection methods (Expand search), extraction method (Expand search)
power functions » power function (Expand search), motor functions (Expand search), taper functions (Expand search)
codigo pythons » codigo python (Expand search), codigos python (Expand search)
pythons python » python python (Expand search), pitons python (Expand search), piton python (Expand search)
functions and » function and (Expand search), functional and (Expand search)
using codigo » using indigo (Expand search), using coding (Expand search), using codium (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: (( power functions AND detection method ) OR ( using codigo pythons python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( power functions and detection method ) OR ( using codigo pythons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( power functions and detection method ) OR ( using codigo pythons python programming ))*.