Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"trinh van data snippets" » "trinh han data snippets", "trinh quan data snippets", "trinh toan data snippets", "trinh van dat snippets", "trinh van dao snippets", "trinh van dau snippets", "trinh van data 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: (((("trinh van data snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh van data snippets") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
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