Perhaps you should try some spelling variations:
"coder coding using raman problem" » "coder coding using human problem" (Expand search), "coder coding using rain problem" (Expand search), "coder coding using riemann problem" (Expand search), "modern coding using raman problem" (Expand search), "color coding using raman problem" (Expand search), "odor coding using raman problem" (Expand search), "coder loading using raman problem" (Expand search), "coder modeling using raman problem" (Expand search), "coder drying using raman 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 coding using raman problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding using raman problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding using raman problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding using raman problem") OR ("api python python python programming"))*.