Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hat nhan cua snippets" » "hat nhan code snippets", "ca nhan cua snippets", "van nhan cua snippets", "ban nhan cua snippets", "hat nhat cua snippets", "hat nhan luc snippets", "hat nhan su 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 nhan cua 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 nhan cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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