Perhaps you should try some spelling variations:
extraction method » extraction methods (Expand search)
basic extraction » based extraction (Expand search), classic extraction (Expand search), based extractions (Expand search)
motor functions » motor function (Expand search), motor dysfunction (Expand search)
functions basic » functions based (Expand search), functional basis (Expand search), functions brazil (Expand search)
codium python » codigo python (Expand search), codigos python (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
using codium » using sodium (Expand search), using medium (Expand search), using cerium (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: "(( motor functions basic extraction method ) OR ( using codium python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( motor functions basic extraction method ) OR ( using codium python python programming ))*.