Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"ninh duc trinh snippets" » "ninh duc thinh snippets", "ninh doc trinh snippets", "ninh qua trinh snippets", "minh duc trinh snippets", "dinh duc trinh snippets", "tinh duc trinh snippets", "ninh duc trinh 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: (((("ninh duc trinh snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ninh duc trinh snippets") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
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