Perhaps you should try some spelling variations:
"and introduction python python programming" » "and introduction section python programming" (Expand search), "and introduction earthen python programming" (Expand search), "and introduction methods python programming" (Expand search), "an introduction python python programming" (Expand search), "and introduction pythons python programming" (Expand search), "and introduction piton python programming" (Expand search), "and introduction pitons python programming" (Expand search)
"coder detecting time coding program" » "model detecting time coding program" (Expand search), "code detection time coding program" (Expand search), "hole detecting time coding program" (Expand search), "coder detecting the coding program" (Expand search), "coder detection time coding program" (Expand search), "coder detecting tree coding program" (Expand search), "coder detecting time cloning program" (Expand search), "coder detecting time loading program" (Expand search), "coder detecting time cooling programs" (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: (("coder detecting time coding program") OR ("and introduction python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder detecting time coding program\") OR (\"and introduction python python programming\"))".
• Removing quotes may allow a broader search: (( coder detecting time coding program ) OR ( and introduction python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder detecting time coding program") OR ("and introduction python python programming"))*.