Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cach ben cau snippets" » "cach ben code snippets", "cach bien cau snippets", "bach benh cau snippets", "mach benh cau snippets", "cach ban cau snippets", "cach bang cau snippets", "cach ben canh 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: (((("cach ben 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: (((("cach ben cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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