Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan van phe snippets" » "phan van code snippets", "pham van phe snippets", "thanh van phe snippets", "luan van phe snippets", "phan van phu snippets", "phan va phe snippets", "phan van he 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: (((("phan van phe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan van phe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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