Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung ba tham slippers" » "dung bai tham slippers", "dung bao tham slippers", "dung bac tham slippers", "dung va tham slippers", "dung ba ham slippers", "dung van tham slippers", "dung ba tham slippery", "dung ba tham grippers"
"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 ba tham slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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