Perhaps you should try some spelling variations:
"using semantic in testing program" » "using semantic in testing programs" (Expand search), "using semantic in teaching program" (Expand search), "using semantic in visiting program" (Expand search), "using semantic and testing program" (Expand search), "using semantic _ testing program" (Expand search), "using semantic basin testing program" (Expand search), "using semantic skin testing program" (Expand search), "using semantic in treating program" (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: "((\"using semantic in testing program\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( using semantic in testing program ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using semantic in testing program") OR ("using python python python programming"))*.