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