Perhaps you should try some spelling variations:
"coder coder pid controllers program" » "coder coder pid controladores program" (Expand search), "coder coder pid controverso programa" (Expand search), "coder coder pid control program" (Expand search), "coder decoder pid controllers program" (Expand search), "code code pid controllers program" (Expand search), "decoder codec pid controllers program" (Expand search), "coder order pid controllers program" (Expand search), "coder encoders pid controllers program" (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 pid controllers program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder pid controllers program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder pid controllers program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder pid controllers program") OR ("api python python python programming"))*.