Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"len hoc can snippets" » "len hoc code snippets", "den hoc can snippets", "len hoa can snippets", "benh hoc can snippets", "len hoc dan snippets", "len hoc cao snippets", "len hoc cac 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: (((("len hoc can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len hoc can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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