Perhaps you should try some spelling variations:
"theory computation in visual programing" » "theory computations in visual programing" (Expand search), "theory competition in visual programing" (Expand search), "the computation in visual programing" (Expand search), "theory computation in visual programming" (Expand search), "theory computation in virtual programming" (Expand search), "theory computation in visual programa" (Expand search), "theory computation and visual programing" (Expand search), "theory computation of visual programing" (Expand search), "theory imputation in visual programing" (Expand search), "theory computation in virtual 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: "((\"theory computation in visual programing\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( theory computation in visual programing ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("theory computation in visual programing") OR ("using python python python programming"))*.