Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"do van nguon snippets" » "do van nguyen snippets", "do tang nguon snippets", "do hang nguon snippets", "dao van nguon snippets", "vo van nguon snippets", "so van nguon snippets", "do van nguon 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: (((("do van nguon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do van nguon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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