Perhaps you should try some spelling variations:
"coder coder perceptions and program" » "coder coders perceptions and program" (Expand search), "coder model perceptions and program" (Expand search), "coder power perceptions and program" (Expand search), "coder coder perception and program" (Expand search), "coder coder perceptions of program" (Expand search), "coder decoder perceptions and program" (Expand search), "code code perceptions and program" (Expand search), "decoder codec perceptions and program" (Expand search), "coder coder perceptions and programs" (Expand search), "coder coder perceptions grant program" (Expand search), "coder coder perceptions based program" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder perceptions and program") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder perceptions and program\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder perceptions and program ) OR ( _ python python python programming )).
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