Perhaps you should try some spelling variations:
"using python python arduino programmable" » "using pythons python arduino programmable" (Expand search), "using piton python arduino programmable" (Expand search), "using pitons python arduino programmable" (Expand search), "usando python python arduino programmable" (Expand search), "in python python arduino programmable" (Expand search)
"using opencl python python programming" » "using opencl pythons python programming" (Expand search), "using opencl piton python programming" (Expand search), "using opencl pitons python programming" (Expand search), "using opencv python 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 python python arduino programmable\") OR (\"using opencl python python programming\"))~".
• Removing quotes may allow a broader search: (( using python python arduino programmable ) OR ( using opencl python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using python python arduino programmable") OR ("using opencl python python programming"))*.