Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc cua cau snippets" » "duc cua code snippets", "doc cua cau snippets", "luc cua cau snippets", "tuc cua cau snippets", "duc chua cau snippets", "duc cua cac snippets", "duc cua 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: (((("duc cua cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc cua cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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