Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat thu cua snippets" » "dat thu code snippets", "dat phu cua snippets", "sat thuc cua snippets", "dat tieu cua snippets", "dat thuc cua snippets", "dat hu cua snippets", "dat tu 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: (((("python using java snippets") or ("dat thu cua snippets"))) or ("locating bug core snippets"))~.
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