Perhaps you should try some spelling variations:
"in python python python programming" » "in pythons python python programming" (Expand search), "in pitons python python programming" (Expand search), "in pytm python python programming" (Expand search), "_ python python python programming" (Expand search)
"codigo geant4 piton python code" » "codigo jean piton python code" (Expand search), "codigo geant4 pixe python code" (Expand search), "codigo geant4 to python code" (Expand search), "codigo geant4 pitons python code" (Expand search), "codigo geant4 with python code" (Expand search), "codigo geant4 on python code" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("codigo geant4 piton python code") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"codigo geant4 piton python code\") OR (\"in python python python programming\"))*".
• Removing quotes may allow a broader search: (( codigo geant4 piton python code ) OR ( in python python python programming ))*.