Perhaps you should try some spelling variations:
"creating vo nghia snippets" » "creating _ nghia snippets", "creating a nghia snippets", "creating co nghia snippets", "creating o nghia snippets", "creating van nghia snippets", "creating vo nghia slippers"
"creating c a snippets" » "creating _ a snippets", "creating a a snippets", "creating c va snippets", "creating c a slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("creating vo nghia snippets") or ("creating c a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating vo nghia snippets") OR ("creating c a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating vo nghia snippets ) or ( creating c a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating vo nghia snippets") or ("creating c a snippets"))) or ("locating bug code snippets"))*.