Perhaps you should try some spelling variations:
"coder coder controller smith problem" » "coder mode controller smith problem" (Expand search), "coder order controller smith problem" (Expand search), "coder power controller smith problem" (Expand search), "coder coder controlled smith problem" (Expand search), "coder coder controller with problem" (Expand search), "coder coder controllers with problem" (Expand search), "coder coder controller math problem" (Expand search), "coder coder controller path problem" (Expand search), "coder decoder controller smith problem" (Expand search), "code code controller smith problem" (Expand search), "decoder codec controller smith 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 controller smith problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder controller smith problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder controller smith problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder controller smith problem") OR ("api python python python programming"))*.