Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan toi cua snippets" » "dan toi code snippets", "dan toc cua snippets", "dan thi cua snippets", "van toi cua snippets", "dan troi cua snippets", "dan tri cua snippets", "dan hoi 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 ("dan toi cua snippets"))) or ("locating bug core snippets"))~.
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