Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"che chat hoc snippets" » "che chat code snippets", "nghe chat hoc snippets", "cao chat hoc snippets", "che pham hoc snippets", "che chat hoa snippets", "che chat thom snippets", "che cho hoc 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 ("che chat hoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("che chat hoc snippets"))) OR ("locating bug core snippets")).
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