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"
"bac toan co snippets" » "bai toan co snippets", "bao toan co snippets", "hach toan co snippets", "bac toan cao snippets", "bac toan ho snippets", "bac toan hoc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("bac toan co snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
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