Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat cao cong snippets" » "dat cao code snippets", "dat cac cong snippets", "dat cao dang snippets", "dat cua cong snippets", "dat cau cong snippets", "dam cao cong snippets", "dao cao cong 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: (((("dat cao cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat cao cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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