Perhaps you should try some spelling variations:
contractions method » contraction method (Expand search), contracting method (Expand search), construction method (Expand search)
based contractions » based contracting (Expand search), base contraction (Expand search), based contributions (Expand search)
power function » liver function (Expand search), taper function (Expand search)
function based » reaction based (Expand search), action based (Expand search), reflection based (Expand search)
codigos python » codigo python (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.

• Removing quotes may allow a broader search: (( power function based contractions method ) OR ( using codigos python python programming ))~.