Perhaps you should try some spelling variations:
"using computational python computer program" » "using computacional python computer program" (Expand search), "using computacional vpython computer program" (Expand search), "using computacionais python computer program" (Expand search), "and computational python computer program" (Expand search)
"using opencl python python programming" » "using opencv python python programming" (Expand search), "using opencl pythons python programming" (Expand search), "using opencl piton python programming" (Expand search), "using opencl pitons python programming" (Expand search), "using open python python programming" (Expand search), "using optical 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: "((\"using computational python computer program\") OR (\"using opencl python python programming\"))~".
• Removing quotes may allow a broader search: (( using computational python computer program ) OR ( using opencl python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational python computer program") OR ("using opencl python python programming"))*.