Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao cung cua snippets" » "dao cung code snippets", "dao cuong cua snippets", "dao vung cua snippets", "dao nung cua snippets", "dao chung cua snippets", "dao dung cua snippets", "dao cong 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: (((("dao cung cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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