Perhaps you should try some spelling variations:
"tran toan va snippets" » "tranh toan va snippets", "tran tuan va snippets", "tran tan va snippets", "tran doan va snippets", "tran tran van snippets", "tran toan ban snippets", "tran toan va slippers"
"dung va java snippets" » "dung java java snippets", "dung va java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung va java snippets") or ("tran toan va snippets"))) or ("locating bug code snippets"))~.
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