Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lich va tham snippets" » "tich va tham snippets", "dich va tham snippets", "tich van tham snippets", "lich van tham snippets", "lich va cham snippets", "lich va thanh snippets", "lich va tham 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: (((("lich va tham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lich va tham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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