Perhaps you should try some spelling variations:
"coder receiver complexity and programmers" » "coder perceived complexity and programmers" (Expand search), "coder receiver complexity and programmes" (Expand search), "coder receiver complexity and programmed" (Expand search), "coder receiver complexity and programme" (Expand search), "power receiver complexity and programmers" (Expand search), "tower receiver complexity and programmers" (Expand search), "modern receivers complexity and programmers" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder receiver complexity and programmers\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder receiver complexity and programmers ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder receiver complexity and programmers") OR ("api python python python programming"))*.