Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tuc dung doi snippets" » "tuc dung code snippets", "thuc dung doi snippets", "tac dung doi snippets", "duc dung doi snippets", "tuc huong doi snippets", "tuc dung tai snippets", "tuc dung co 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: (((("tuc dung doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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