Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"hanh van trinh snippets" » "hanh van thinh snippets", "hanh van tinh snippets", "hanh dan trinh snippets", "thanh van trinh snippets", "khanh van trinh snippets", "hanh va trinh snippets", "hanh van 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: (((("hanh van trinh snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
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