Perhaps you should try some spelling variations:
"tran hoang san snippets" » "quan hoang san snippets", "tran quang san snippets", "tranh hang san snippets", "tran hoang van snippets", "tran hoang son snippets", "tran hoang xuan snippets", "tran hoang san slippers"
"dung java java snippets" » "dung va java snippets", "dung java 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: (((("tran hoang san snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
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