Perhaps you should try some spelling variations:
"coder coding using respondent coding" » "coder coding using response coding" (Expand search), "modern coding using respondent coding" (Expand search), "color coding using respondent coding" (Expand search), "odor coding using respondent coding" (Expand search), "coder loading using respondent coding" (Expand search), "coder modeling using respondent coding" (Expand search), "coder drying using respondent coding" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ 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 coding using respondent coding") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding using respondent coding\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding using respondent coding ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding using respondent coding") OR ("_ python python python programming"))*.