Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung phu den snippets" » "dung phu code snippets", "dung phan den snippets", "dung cho den snippets", "dung he den snippets", "dung phu dien snippets", "dung phu yen snippets", "dung phu ten 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 ("dung phu den snippets"))) or ("locating bug core snippets"))~.
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