Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"anh thi thin snippets" » "anh thi thien snippets", "anh thi thinh snippets", "anh thi than snippets", "anh tho thin snippets", "dinh thi thin snippets", "dang thi thin snippets", "anh thi thin 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: (((("anh thi thin snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh thi thin snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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