Perhaps you should try some spelling variations:
"coder contributions to coding program" » "code contributions to coding program" (Expand search), "model contributions to coding program" (Expand search), "cancer contributions to coding program" (Expand search), "coder contribution to coding program" (Expand search), "coder contributions to cloning program" (Expand search), "coder contributions to loading program" (Expand search), "coder contributions to cooling programs" (Expand search), "coder contributions to crowding program" (Expand search), "coder contributions otto coding program" (Expand search), "coder contributions non coding program" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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: (("coder contributions to coding program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder contributions to coding program\") OR (\"on python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder contributions to coding program ) OR ( on python python python programming ))*.