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