Perhaps you should try some spelling variations:
"creating cao tu snippets" » "creating a tu snippets", "creating _ tu snippets", "creating _ao tu snippets", "creating aao tu snippets", "creating cao thu snippets", "creating co tu snippets", "creating cao su snippets", "creating cao tu slippers"
"creating c va snippets" » "creating _ va snippets", "creating a va snippets", "creating co va snippets", "creating cu va snippets", "creating c va 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 c va snippets") or ("creating cao tu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating c va snippets") OR ("creating cao tu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating c va snippets ) or ( creating cao tu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating c va snippets") or ("creating cao tu snippets"))) or ("locating bug code snippets"))*.