Perhaps you should try some spelling variations:
"coding codigo python integer programming" » "coding codigo python linear programming" (Expand search), "codigo codigo python integer programming" (Expand search), "code codigo python integer programming" (Expand search)
"python using pitons python programming" » "python usando pitons python programming" (Expand search), "python coding pitons python programming" (Expand search), "action using pitons python programming" (Expand search), "python using pion python programming" (Expand search), "python using pivots python programming" (Expand search), "python using mertons python programming" (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: (("coding codigo python integer programming") OR ("python using pitons python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coding codigo python integer programming\") OR (\"python using pitons python programming\"))".
• Removing quotes may allow a broader search: (( coding codigo python integer programming ) OR ( python using pitons python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coding codigo python integer programming") OR ("python using pitons python programming"))*.