Perhaps you should try some spelling variations:
"coder coder and gelfand problem" » "coder coder and land problem" (Expand search), "coder decoder and gelfand problem" (Expand search), "code code and gelfand problem" (Expand search), "decoder codec and gelfand problem" (Expand search), "coder coder and gellan problem" (Expand search), "coder code and gelfand problem" (Expand search), "coder codes and gelfand problem" (Expand search), "coder poder and gelfand 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), "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 coder and gelfand problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder and gelfand problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder and gelfand problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder and gelfand problem") OR ("api python python python programming"))*.