Perhaps you should try some spelling variations:
"coder perceptions upon coding program" » "coders perceptions upon coding program" (Expand search), "model perceptions upon coding program" (Expand search), "power perceptions upon coding program" (Expand search), "coder perceptions on coding program" (Expand search), "coder perceptions among coding program" (Expand search), "coder perceptions of coding program" (Expand search), "coder perceptions upon cloning program" (Expand search), "coder perceptions upon loading program" (Expand search), "coder perceptions upon cooling programs" (Expand search), "coder perceptions upon folding program" (Expand search), "coder perceptions upon cooking program" (Expand search)
"and coding python python programming" » "and codigo python python programming" (Expand search), "and codigos python python programming" (Expand search), "and using python python programming" (Expand search), "and coding pythons python programming" (Expand search), "and coding piton python programming" (Expand search), "and coding pitons python programming" (Expand search), "and coping python python programming" (Expand search), "and cooling python python programming" (Expand search), "and cooking python python programming" (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 perceptions upon coding program\") OR (\"and coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder perceptions upon coding program ) OR ( and coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder perceptions upon coding program") OR ("and coding python python programming"))*.