Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi trac hoc snippets" » "thi trac code snippets", "thi tran hoc snippets", "thi tac hoc snippets", "thi trang hoc snippets", "thi toan hoc snippets", "thi thai hoc snippets", "thi toc hoc 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 ("thi trac hoc snippets"))) or ("locating bug core snippets"))~.
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