Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cac tran hai snippets" » "cac thanh hai snippets", "cac trung hai snippets", "vach tran hai snippets", "cac tran bai snippets", "cac tran chau snippets", "cac tran nhat snippets", "cac tran hai 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: (((("cac tran hai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac tran hai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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