Perhaps you should try some spelling variations:
"coder coder numeric unit problem" » "coder computer numeric unit problem" (Expand search), "coder modern numerical unit problem" (Expand search), "coder coder numeric runge problem" (Expand search), "coder coder numeric and problem" (Expand search), "coder coder numeric set problem" (Expand search), "coder decoder numeric unit problem" (Expand search), "code code numeric unit problem" (Expand search), "decoder codec numeric unit 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 numeric unit problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder numeric unit problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder numeric unit problem ) OR ( api python python python programming ))*.