Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hat cho cu snippets" » "hat cho code snippets", "chat cho cu snippets", "hat cheo cu snippets", "nhat cho cu snippets", "hat cho chu snippets", "hat cho ca snippets", "hat cho tu 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: (((("hat cho cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat cho cu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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