Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tin dan den snippets" » "tin dan code snippets", "tin don den snippets", "trinh dan den snippets", "tin dung den snippets", "tin ban den snippets", "tin van den snippets", "tin dan dung 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: (((("python using java snippets") or ("tin dan den snippets"))) or ("locating bug core snippets"))~.
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