Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan co cu snippets" » "phan co code snippets", "phan bo cu snippets", "phan cong cu snippets", "phan cac cu snippets", "phan co cau snippets", "phan co cua snippets", "phan cho cu 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 ("phan co cu snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phan co cu snippets"))) OR ("locating bug core snippets")).
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