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