Perhaps you should try some spelling variations:
"coder coder their perceptions problem" » "coder coder their reception problem" (Expand search), "coder coder their perceptions from" (Expand search), "coder coder their perceptions public" (Expand search), "coder coder the perceptions problem" (Expand search), "coder decoder their perceptions problem" (Expand search), "code code their perceptions problem" (Expand search), "decoder codec their perceptions problem" (Expand search), "coder over their perceptions problem" (Expand search), "coder lower their perceptions problem" (Expand search), "coder model their perceptions problem" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ 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 their perceptions problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder their perceptions problem\") OR (\"in python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder their perceptions problem ) OR ( in python python python programming ))*.