Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung may hoc snippets" » "dung may code snippets", "dung va hoc snippets", "dung tai hoc snippets", "mang may hoc snippets", "dung day hoc snippets", "dung may moc snippets", "dung may loc 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 ("dung may hoc snippets"))) or ("locating bug core snippets"))~.
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