Perhaps you should try some spelling variations:
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"coder coder coding peer effect" » "coder modern coding peer effect" (Expand search), "coder color coding peer effect" (Expand search), "coder odor coding peer effect" (Expand search), "coder decoder coding peer effect" (Expand search), "code code coding peer effect" (Expand search), "decoder codec coding peer effect" (Expand search), "coder coder coding over effect" (Expand search), "coder coder coding speech effect" (Expand search), "coder coder coding genes effect" (Expand search), "coder coder coding peer effects" (Expand search), "coder coder coding kerr effect" (Expand search), "coder coder coding peltier effect" (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 coder coding peer effect") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coding peer effect\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder coding peer effect ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder coding peer effect") OR ("on python python python programming"))*.