Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung thu tin snippets" » "ung thu tin snippets", "dung phu tin snippets", "dung thi tin snippets", "dung thuc tin snippets", "dung tu tin snippets", "dung thu hien snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung thu tin snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung thu tin snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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