Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"anh van soa snippets" » "anh van code snippets", "anh va soa snippets", "thanh van soa snippets", "doanh van soa snippets", "anh van hoa snippets", "anh van son snippets", "anh van khoa 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: (((("anh van soa snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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