Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cu luat hoi snippets" » "cu luat code snippets", "cu luat moi snippets", "cu luat so snippets", "cu luat dai snippets", "cua luat hoi snippets", "cuu luat hoi snippets", "cu luan hoi 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: (((("cu luat hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu luat hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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