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