Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"luat doi ban snippets" » "luat dai ban snippets", "lua doi ban snippets", "luat hoi ban snippets", "luat di ban snippets", "luat do ban snippets", "luat dong ban snippets", "luat doi ban 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: (((("luat doi ban snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat doi ban snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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