Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"van han wu snippets" » "van hanh wu snippets", "van phan wu snippets", "van nhan wu snippets", "van hang wu snippets", "van han tu snippets", "van han du snippets", "van han wu 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: (((("van han wu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van han wu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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