Perhaps you should try some spelling variations:
extraction method » extraction methods (Expand search)
using extraction » during extraction (Expand search), single extraction (Expand search), mining extraction (Expand search)
function using » function during (Expand search), reaction using (Expand search)
coding python » codigo python (Expand search), codigos python (Expand search), using python (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
using coding » using holding (Expand search), using coupling (Expand search), missing coding (Expand search)

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

• Removing quotes may allow a broader search: (( linear function using extraction method ) OR ( using coding python python programming ))~.