Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tat dung san snippets" » "tac dung san snippets", "tan dung san snippets", "vat dung san snippets", "tat dong san snippets", "tat dung sai snippets", "tat dung luan snippets", "tat dung san 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: (((("tat dung san snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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