Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"den thuc co snippets" » "dan thuc co snippets", "kien thuc co snippets", "diem thuc co snippets", "den tuc co snippets", "den thuat co snippets", "den thuc cua snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("den thuc co snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den thuc co snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
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