Perhaps you should try some spelling variations:
"coder function user perceptions of" » "coder function users perceptions of" (Expand search), "coder function user perception of" (Expand search), "coder function users perception of" (Expand search), "modern function user perceptions of" (Expand search), "power function user perceptions of" (Expand search), "over function user perceptions of" (Expand search), "coder function usher perceptions of" (Expand search), "coder function used perceptions of" (Expand search), "coder function use perceptions of" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using 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 function user perceptions of\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder function user perceptions of ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder function user perceptions of") OR ("using coding python python programming"))*.