Perhaps you should try some spelling variations:
"creating axa doi snippets" » "creating _ doi snippets", "creating _xa doi snippets", "reading axa doi snippets", "creating axva doi snippets", "creating axxa doi snippets", "creating axq doi snippets"
"creating a do snippets" » "creating _ do snippets", "reading a do snippets", "creating va do snippets", "creating xa do snippets", "creating q do snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("creating axa doi snippets") or ("creating a do snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating axa doi snippets") OR ("creating a do snippets"))) OR ("locating bug code snippets")).
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