Perhaps you should try some spelling variations:
"based instruction python python programming" » "based instruction method python programming" (Expand search), "based instruction to python programming" (Expand search), "based instruction on python programming" (Expand search), "assisted instruction python python programming" (Expand search), "based instruction pythons python programming" (Expand search), "based instruction piton python programming" (Expand search), "based instruction pitons python programming" (Expand search)
"coder pollution from string program" » "copper pollution from string program" (Expand search), "coder solution from string program" (Expand search), "bodies pollution from string program" (Expand search), "coder pollution from strong program" (Expand search), "coder pollution from spring programa" (Expand search), "coder pollution from sharing program" (Expand search), "coder pollution from studying program" (Expand search), "coder pollution from shading 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 pollution from string program\") OR (\"based instruction python python programming\"))~".
• Removing quotes may allow a broader search: (( coder pollution from string program ) OR ( based instruction python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder pollution from string program") OR ("based instruction python python programming"))*.