Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thap duc han snippets" » "thap du han snippets", "than duc han snippets", "thach duc han snippets", "thap duc phan snippets", "thap duc hanh snippets", "thap duc hoan snippets", "thap duc han 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: (((("thap duc han snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thap duc han snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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