Perhaps you should try some spelling variations:
"coder coder modeling study perceptions" » "coder coder modeling student perceptions" (Expand search), "coder coder modeling body perceptions" (Expand search), "coder coder modeling students perceptions" (Expand search), "coder cover modeling study perceptions" (Expand search), "coder cover modelling study perceptions" (Expand search), "coder order modeling study perceptions" (Expand search), "coder coder modelling study perceptions" (Expand search), "coder decoder modeling study perceptions" (Expand search), "code code modeling study perceptions" (Expand search), "decoder codec modeling study perceptions" (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), "rpa 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 modeling study perceptions") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder modeling study perceptions\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder modeling study perceptions ) OR ( api python python python programming ))*.