Perhaps you should try some spelling variations:
"coder coding pid controllers parallel" » "coder coding pid controller parallel" (Expand search), "coder coding pid controlled parallel" (Expand search), "coder coding pid control parallel" (Expand search), "modern coding pid controllers parallel" (Expand search), "color coding pid controllers parallel" (Expand search), "odor coding pid controllers parallel" (Expand search), "coder coding and controllers parallel" (Expand search), "coder coding in controllers parallel" (Expand search), "coder coding is controllers parallel" (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 coding pid controllers parallel") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding pid controllers parallel\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding pid controllers parallel ) OR ( api python python python programming ))*.