Perhaps you should try some spelling variations:
"creating va duy slippers" » "creating _ duy slippers", "creating van duy slippers", "creating va du slippers", "creating ta duy slippers", "creating va duy slippery", "creating va duy grippers"
"creating a thu snippets" » "creating _ thu snippets", "reading a thu snippets", "creating va thu snippets", "creating ma thu snippets", "creating ba thu 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 va duy slippers") or ("creating a thu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating va duy slippers") OR ("creating a thu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating va duy slippers ) or ( creating a thu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating va duy slippers") or ("creating a thu snippets"))) or ("locating bug code snippets"))*.