Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc phan co snippets" » "duc phan code snippets", "dung phan co snippets", "duc thang co snippets", "duc phung co snippets", "duc phan bo snippets", "duc phan cong snippets", "duc phan 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: (((("duc phan co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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