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