Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cung thu cuc snippets" » "cung thu code snippets", "cuong thu cuc snippets", "ung thu cuc snippets", "dung thu cuc snippets", "cung thi cuc snippets", "cung thu tuc snippets", "cung thu cua 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: (((("cung thu cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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