Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac doi tram snippets" » "cac hoi trac snippets", "cac doi giam snippets", "cac doi nam snippets", "cac dai tram snippets", "cac toi tram snippets", "cau doi tram snippets"

Try widening your search to All Fields.

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