Perhaps you should try some spelling variations:
"coder coder database tuning problem" » "coder model database tuning problem" (Expand search), "coder cor database tuning problem" (Expand search), "coder cancer database tuning problem" (Expand search), "coder coder database using problem" (Expand search), "coder coder database buying problem" (Expand search), "coder coder database training problem" (Expand search), "coder decoder database tuning problem" (Expand search), "code code database tuning problem" (Expand search), "decoder codec database tuning 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 database tuning problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder database tuning problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder database tuning problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder database tuning problem") OR ("api python python python programming"))*.