Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dung hat luu snippets" » "dung chat luu snippets", "dung nhat luu snippets", "dung phat luu snippets", "dung chat huu snippets", "dung chat lua snippets", "dung phap luu snippets", "dung hat luu 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: (((("dung hat luu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung hat luu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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