Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lieu he cao snippets" » "lieu he code snippets", "lieu che cao snippets", "lieu nhe cao snippets", "hieu he cao snippets", "lieu he co snippets", "lieu te cao snippets", "lieu he cac 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: (((("lieu he cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu he cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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