Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung dinh thuc snippets" » "dang dinh thuc snippets", "dung dich thuc snippets", "dung ninh thuc snippets", "dung dinh thuy snippets", "dung dinh chuc snippets", "dung sinh thuc snippets", "dung dinh thuc slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"

Try widening your search to All Fields.

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