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 and vector coding program" » "coder and vector cloning program" (Expand search), "coder and vector loading program" (Expand search), "coder and vector cooling programs" (Expand search), "code and vector coding program" (Expand search), "codes and vector coding program" (Expand search), "poder and vector coding program" (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: "((\"coder and vector coding program\") OR (\"and introduction python python programming\"))~".
• Removing quotes may allow a broader search: (( coder and vector coding program ) OR ( and introduction python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder and vector coding program") OR ("and introduction python python programming"))*.