Perhaps you should try some spelling variations:
"dung ung dat snippets" » "dung trung dat snippets", "dung quang dat snippets", "dung chung dat snippets", "dung dung dat snippets", "dung vung dat snippets", "dung cung dat snippets", "dung ung dat slippers"
"dung dbbugss code snippets" » "dung dbbugss core snippets", "dung dbbugss code slippers", "dung dbbungss code snippets", "dung dbbugsss code snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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