Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoa can cau snippets" » "khoa can code snippets", "khoa cam cau snippets", "khoa cap cau snippets", "khoi can cau snippets", "khoa van cau snippets", "khoa ban cau snippets", "khoa ca 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: (((("khoa can 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: (((("khoa can cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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