Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kieu thi cac snippets" » "kieu thi code snippets", "kieu thu cac snippets", "sieu thi cac snippets", "lieu thi cac snippets", "kieu thi cuc snippets", "kieu tai cac snippets", "kieu thi tac 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: (((("kieu thi cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kieu thi cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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