Perhaps you should try some spelling variations:
"coder coder effective width problem" » "coder model effective width problem" (Expand search), "coder under effective width problem" (Expand search), "coder over effective width problem" (Expand search), "coder coder effective with problem" (Expand search), "coder coder effective with problems" (Expand search), "coder coder effective sixth problem" (Expand search), "coder decoder effective width problem" (Expand search), "code code effective width problem" (Expand search), "decoder codec effective width 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 effective width problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder effective width problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder effective width problem ) OR ( api python python python programming ))*.