Perhaps you should try some spelling variations:
"coder coder and control problem" » "coder coder and control problems" (Expand search), "coder coder and control program" (Expand search), "coder decoder and control problem" (Expand search), "code code and control problem" (Expand search), "decoder codec and control problem" (Expand search), "coder code and control problem" (Expand search), "coder codes and control problem" (Expand search), "coder poder and 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder and control problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder and control problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder and control problem") OR ("api python python python programming"))*.