Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van phan duc slippers" » "van phong duc slippers", "van thanh duc slippers", "luan phan duc slippers", "van pham duc slippers", "van phan tu slippers", "van phan dau slippers", "van phan duc slippery", "van phan duc 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: (((("van phan duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van phan duc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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