Perhaps you should try some spelling variations:
"coder coding representation based problems" » "coder covering representation based problems" (Expand search), "coder reading representation based problems" (Expand search), "coder bodies representation based problems" (Expand search), "coder coding representation by problems" (Expand search), "coder coding representation an problems" (Expand search), "coder coding representation _ problems" (Expand search), "coder coding representation posed problems" (Expand search), "coder coding representation basic problems" (Expand search), "coder coding representation based probes" (Expand search), "modern coding representation based problems" (Expand search), "color coding representation based problems" (Expand search), "odor coding representation based 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), "manim 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 coding representation based problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding representation based problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding representation based problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding representation based problems") OR ("api python python python programming"))*.