Perhaps you should try some spelling variations:
"coder coder testing sample problems" » "coder coder testing sample problem" (Expand search), "coder coder testing same problems" (Expand search), "coder coder testing simple problema" (Expand search), "coder coder testing simple problems" (Expand search), "coder coder setting sample problems" (Expand search), "coder coder using sample problems" (Expand search), "coder model testing sample problems" (Expand search), "coder mode testing sample problems" (Expand search), "coder cancer testing sample problems" (Expand search), "coder decoder testing sample problems" (Expand search), "code code testing sample problems" (Expand search), "decoder codec testing sample 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 testing sample problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder testing sample problems\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder testing sample problems ) OR ( api python python python programming ))*.