Perhaps you should try some spelling variations:
"surface functionals in java programing" » "surface functional in java programing" (Expand search), "surface functionalised in java programing" (Expand search), "surface functionality in java programing" (Expand search), "surface functionals in java programming" (Expand search), "surface functionals in java programs" (Expand search), "surface functionals in meta programming" (Expand search), "surface functions in java programing" (Expand search), "surface functional index java programing" (Expand search), "surface functionals 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.

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