Perhaps you should try some spelling variations:
"an introduction python python programming" » "an introduction section python programming" (Expand search), "an introduction earthen python programming" (Expand search), "an introduction methods python programming" (Expand search), "an introduction pythons python programming" (Expand search), "an introduction piton python programming" (Expand search), "an introduction pitons python programming" (Expand search)
"basis functions and coding program" » "basis functions and cloning program" (Expand search), "basis functions and loading program" (Expand search), "basis functions and cooling programs" (Expand search), "basis function and coding program" (Expand search), "basis functional and coding program" (Expand search), "basis functions and coping program" (Expand search), "basis functions and cooling program" (Expand search), "basis functions and cooking program" (Expand search), "bases functions and coding program" (Expand search), "basic functions and coding program" (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: (("basis functions and coding program") OR ("an introduction python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"basis functions and coding program\") OR (\"an introduction python python programming\"))".
• Removing quotes may allow a broader search: (( basis functions and coding program ) OR ( an introduction python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("basis functions and coding program") OR ("an introduction python python programming"))*.