Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh san cu snippets" » "trinh san code snippets", "trinh han cu snippets", "trinh van cu snippets", "trinh quan cu snippets", "trinh san cua snippets", "trinh san co snippets", "trinh dan cu 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 ("trinh san cu snippets"))) or ("locating bug core snippets"))~.
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