Perhaps you should try some spelling variations:
"coder perceptions learning complexity program" » "coder perception learning complexity program" (Expand search), "coder perceptron learning complexity program" (Expand search), "coder perceptions regarding complexity program" (Expand search), "coder perceptions learning complex program" (Expand search), "coder perceptions teaching complexity program" (Expand search), "coder perceptions governing complexity program" (Expand search), "coder perceptions learning complexity from" (Expand search), "coder perceptions learning complexity priors" (Expand search), "coders perceptions learning complexity program" (Expand search), "model perceptions learning complexity program" (Expand search), "power perceptions learning complexity program" (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 perceptions learning complexity program\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder perceptions learning complexity program ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder perceptions learning complexity program") OR ("using coding python python programming"))*.