Perhaps you should try some spelling variations:
"based optimization in java programing" » "and optimization in java programing" (Expand search), "based optimization and java programing" (Expand search), "based optimization _ java programing" (Expand search), "based optimization in java programming" (Expand search), "based optimization in java programs" (Expand search), "based optimization in meta programming" (Expand search), "based optimization in japan programing" (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: (("based optimization in java programing") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based optimization in java programing\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( based optimization in java programing ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based optimization in java programing") OR ("using python python python programming"))*.