Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hanh van bac snippets" » "thanh van bac snippets", "khanh van bac snippets", "hanh va bac snippets", "hanh van ban snippets", "hanh van bao snippets", "hanh van hac snippets", "hanh van bac 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: (((("hanh van bac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh van bac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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