Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pha van tuan snippets" » "pha van quan snippets", "pha van ban snippets", "pha anh tuan snippets", "pham van tuan snippets", "phan van tuan snippets", "phap van tuan snippets", "pha van tuan 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: (((("pha van tuan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha van tuan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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