Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phan dang ra snippets" » "phan dau ra snippets", "phan cong ra snippets", "nhan dan ra snippets", "phan dang ha snippets", "phan dang va snippets", "phan dang ba snippets", "phan dang ra 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: (((("phan dang ra snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan dang ra snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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