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