Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dich va toc snippets" » "dich va code snippets", "dich vu toc snippets", "tich va toc snippets", "dinh van toc snippets", "dich va doc snippets", "dich va tac snippets", "dich va ton 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: (((("dich va toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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