Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung lao ca snippets" » "dung lao code snippets", "dung lam ca snippets", "dung bao ca snippets", "dung lai ca snippets", "dung lao cai snippets", "dung lao va snippets", "dung lao xa 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: (((("dung lao ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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