Perhaps you should try some spelling variations:
"coder coder perceptions upon programmers" » "coder coders perceptions upon programmers" (Expand search), "coder model perceptions upon programmers" (Expand search), "coder power perceptions upon programmers" (Expand search), "coder coder perceptions on programmers" (Expand search), "coder coder perceptions among programmers" (Expand search), "coder coder perceptions of programmers" (Expand search), "coder coder perceptions non programmers" (Expand search), "coder coder perceptions blind programmers" (Expand search), "coder decoder perceptions upon programmers" (Expand search), "code code perceptions upon programmers" (Expand search), "decoder codec perceptions upon programmers" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python 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 coder perceptions upon programmers") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder perceptions upon programmers\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder perceptions upon programmers ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder perceptions upon programmers") OR ("api python python python programming"))*.