Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bao toan cuu snippets" » "bao toan code snippets", "bai toan cuu snippets", "bao ton cuu snippets", "bao thang cuu snippets", "bao toan cau snippets", "bao toan cua snippets", "bao toan cao 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 ("bao toan cuu snippets"))) or ("locating bug core snippets"))~.
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