Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hanh van hao snippets" » "thanh van hao snippets", "khanh van hao snippets", "hanh va hao snippets", "hanh van dao snippets", "hanh van ha snippets", "hanh van bao snippets", "hanh van hao 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 hao 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 hao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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