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