Perhaps you should try some spelling variations:
"and implementation proposal java programming" » "and implementation process java programming" (Expand search), "and implementation project java programming" (Expand search), "and implementation proposal and programming" (Expand search), "and implementation proposal based programming" (Expand search), "and implementation proposal goal programming" (Expand search), "and implementation proposal at programming" (Expand search), "and implementation proposal an programming" (Expand search)
"python using python python programming" » "python using pythons python programming" (Expand search), "python using piton python programming" (Expand search), "python using pitons python programming" (Expand search), "python usando python python programming" (Expand search), "python coding python python programming" (Expand search), "action using python python programming" (Expand search), "python in python 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: (("and implementation proposal java programming") OR ("python using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and implementation proposal java programming\") OR (\"python using python python programming\"))".
• Removing quotes may allow a broader search: (( and implementation proposal java programming ) OR ( python using python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and implementation proposal java programming") OR ("python using python python programming"))*.