Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dau lon hanh snippets" » "dau lon thanh snippets", "dau hon hanh snippets", "dau son thanh snippets", "dau len hanh snippets", "dau luan hanh snippets", "cau long hanh snippets", "dau lon hanh 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: (((("dau lon hanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau lon hanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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