Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung le doan snippets" » "dung le code snippets", "dung len doan snippets", "dung he doan snippets", "dung de doan snippets", "dung le dan snippets", "dung ly doanh snippets", "dung le hoang 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: (((("dung le doan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung le doan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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