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