Perhaps you should try some spelling variations:
methods problem » method problems (Expand search), methodes problemes (Expand search), methods produced (Expand search)
coding pitons » loading pistons (Expand search)
coder python » codigo python (Expand search), compra python (Expand search)
using coding » using coping (Expand search), using coating (Expand search), using cooking (Expand search)
python mcdm » python mm (Expand search), python rdm (Expand search), python scrum (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: "(( coder python mcdm methods problem ) OR ( using coding pitons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder python mcdm methods problem ) OR ( using coding pitons python programming ))*.