Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan hoc chi snippets" » "phan hoc code snippets", "phap hoc chi snippets", "phan hoa chi snippets", "phau hoc chi snippets", "phan hoc chia snippets", "phan hoc cho snippets", "phan hoc chu 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 hoc chi 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 hoc chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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