Perhaps you should try some spelling variations:
"_ computational on java programming" » "_ computational one java programming" (Expand search), "_ computacional on java programming" (Expand search), "_ computational and java programming" (Expand search), "_ computational on and programming" (Expand search), "_ computational on based programming" (Expand search), "_ computational on goal programming" (Expand search), "_ computational of java programming" (Expand search), "_ computational in java programming" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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: (("_ computational on java programming") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"_ computational on java programming\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( _ computational on java programming ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("_ computational on java programming") OR ("using python python python programming"))*.