Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"chung cu zhang snippets" » "chung yu zhang snippets", "chung cau thang snippets", "chung cuu khang snippets", "chung cu zhang slippers"

Try widening your search to All Fields.

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