Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lap lanh cua snippets" » "lap lanh code snippets", "lam lanh cua snippets", "lap doanh cua snippets", "lap nganh cua snippets", "lap manh cua snippets", "lap hanh cua snippets", "lap lang 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: (((("lap lanh cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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