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