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 coder pid control using" » "coder decoder pid control using" (Expand search), "code code pid control using" (Expand search), "decoder codec pid control using" (Expand search), "coder coder and control using" (Expand search), "coder coder pid controller using" (Expand search), "coder coder weed control using" (Expand search), "coder order pid control using" (Expand search), "coder encoders pid 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 coder pid control using") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder pid control using\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder pid control using ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder pid control using") OR ("api python python python programming"))*.