Perhaps you should try some spelling variations:
selection methods » detection methods (Expand search)
power functions » power function (Expand search), motor functions (Expand search), taper functions (Expand search)
codigos python » codigo python (Expand search)
functions the » function the (Expand search), functions to (Expand search), functions and (Expand search)
using codigos » usando codigos (Expand search), using coding (Expand search), using codium (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( power functions the selection methods ) OR ( using codigos python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( power functions the selection methods ) OR ( using codigos python python programming ))*.