Perhaps you should try some spelling variations:
"path computation and java programming" » "the computation and java programming" (Expand search), "and computation and java programming" (Expand search), "fast computation and java programming" (Expand search), "path computation and and programming" (Expand search), "path computation and based programming" (Expand search), "path computation and goal programming" (Expand search), "path computational and java programming" (Expand search), "path computation of java programming" (Expand search), "path computation and japan programming" (Expand search), "path computation in java programming" (Expand search), "path computation and jail programming" (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: "((\"path computation and java programming\") OR (\"using using python python programming\"))~".
• Removing quotes may allow a broader search: (( path computation and java programming ) OR ( using using python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("path computation and java programming") OR ("using using python python programming"))*.