Perhaps you should try some spelling variations:
"tran toan von snippets" » "tranh toan von snippets", "tran tuan von snippets", "tran tan von snippets", "tran toan ban snippets", "tran toan hoc snippets", "tran toan ho snippets"
"dung va java snippets" » "dung java java snippets"
"locating bug code snippets" » "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 von snippets"))) or ("locating bug code snippets"))~.
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