Perhaps you should try some spelling variations:
"creating a vi snippets" » "creating _ vi snippets", "reading a vi snippets", "creating ba vi snippets", "creating va vi snippets", "creating am vi snippets", "creating a vi slippers"
"creating cbva vi snippets" » "creating cbvba vi snippets", "creating cbvva vi snippets", "creating cbvam vi snippets", "creating cbva vi slippers"
"locating bug code snippets" » "locating bug code slippers", "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 a vi snippets") or ("creating cbva vi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating a vi snippets") OR ("creating cbva vi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating a vi snippets ) or ( creating cbva vi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating a vi snippets") or ("creating cbva vi snippets"))) or ("locating bug code snippets"))*.