Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung dang trinh snippets" » "dung dang tinh snippets", "dung dan trinh snippets", "dung dong trinh snippets", "dung danh trinh snippets", "dung dang trinh slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug code slippers"

Try widening your search to All Fields.

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