Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu do toc snippets" » "thu do code snippets", "thuy do toc snippets", "khu do toc snippets", "tu do toc snippets", "thu co toc snippets", "thu do tuc snippets", "thu ho toc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("thu do toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu do toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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