Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan dung can snippets" » "dan dung code snippets", "van dung can snippets", "tin dung can snippets", "ap dung can snippets", "dan dung cac snippets", "dan dung san snippets", "dan dung van 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: (((("dan dung can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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