Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ban tay dung snippets" » "ban xay dung snippets", "ban tac dung snippets", "ban tay nung snippets", "ban tai dung snippets", "ban lay dung snippets", "ban tat dung snippets", "ban tay dung 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: (((("ban tay dung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban tay dung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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