Perhaps you should try some spelling variations:
"teaching functions using batch program" » "teaching fractions using batch program" (Expand search), "teaching actions using batch program" (Expand search), "teaching conceptions using batch program" (Expand search), "teaching function using batch program" (Expand search), "teaching reactions using batch program" (Expand search), "teaching functions using search program" (Expand search), "teaching functions using teacch program" (Expand search), "teaching functions using lunch 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("teaching functions using batch program") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching functions using batch program\") OR (\"using python python python programming\"))*".
• Removing quotes may allow a broader search: (( teaching functions using batch program ) OR ( using python python python programming ))*.