Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi kiem cau snippets" » "thi kiem code snippets", "thi kim cau snippets", "thi lien cau snippets", "thi hien cau snippets", "thi diem cau snippets", "thi liem chau snippets", "thi khien cau 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: (((("thi kiem cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi kiem cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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