Perhaps you should try some spelling variations:
"and computation using visual programing" » "and computations using visual programing" (Expand search), "and computation in visual programing" (Expand search), "and composition using visual programing" (Expand search), "and computation using visual programming" (Expand search), "and computation using virtual programming" (Expand search), "and computation using visual programa" (Expand search), "and computational using visual programing" (Expand search), "of computation using visual programing" (Expand search), "and computation using virtual programing" (Expand search)
"using mobile python python programming" » "using mobile phone python programming" (Expand search), "using mobile pythons python programming" (Expand search), "using mobile piton python programming" (Expand search), "using mobile pitons python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("and computation using visual programing") OR ("using mobile python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation using visual programing\") OR (\"using mobile python python programming\"))".
• Removing quotes may allow a broader search: (( and computation using visual programing ) OR ( using mobile python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computation using visual programing") OR ("using mobile python python programming"))*.