Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac doi phan snippets" » "cac doi nhan snippets", "cac hoi phan snippets", "cac doc phan snippets", "cac dai phan snippets", "cac toi phan snippets", "cau doi phan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cac doi phan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac doi phan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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