Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung co rang snippets" » "dung cho rang snippets", "dung cong rang snippets", "dung cua rang snippets", "dung co bang snippets", "dung co tranh snippets", "dung co chang 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 co rang snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung co rang snippets"))) OR ("locating bug core snippets")).
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