Perhaps you should try some spelling variations:
"functions representation in java programing" » "functions representation in java programming" (Expand search), "functions representation in java programs" (Expand search), "functions representation in meta programming" (Expand search), "functions representation in japan programing" (Expand search)
"using using python python programming" » "using using pythons python programming" (Expand search), "using using piton python programming" (Expand search), "using using pitons python programming" (Expand search), "using usando python python programming" (Expand search), "using in python python programming" (Expand search), "using fusing python python programming" (Expand search), "housing using python python programming" (Expand search), "nursing using python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"functions representation in java programing\") OR (\"using using python python programming\"))~".
• Removing quotes may allow a broader search: (( functions representation in java programing ) OR ( using using python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("functions representation in java programing") OR ("using using python python programming"))*.