Perhaps you should try some spelling variations:
"poder model using java programming" » "poder model using and programming" (Expand search), "poder model using based programming" (Expand search), "poder model using goal programming" (Expand search), "poder modelos using java programming" (Expand search), "dorder model using java programming" (Expand search), "order model using java programming" (Expand search)
"python python python python programming" » "pythons python pythons python programming" (Expand search), "piton python piton python programming" (Expand search), "pitons python pitons 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: (("poder model using java programming") OR ("python python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"poder model using java programming\") OR (\"python python python python programming\"))".
• Removing quotes may allow a broader search: (( poder model using java programming ) OR ( python python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("poder model using java programming") OR ("python python python python programming"))*.