Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dung san tan snippets" » "dong san tan snippets", "dung sai tan snippets", "dung luan tan snippets", "dung van tan snippets", "dung san van snippets", "dung san tay snippets", "dung san tan 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 san tan 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 san tan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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