Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan than ho snippets" » "dan than code snippets", "dan chan ho snippets", "ban than ho snippets", "van than ho snippets", "dan than hoc snippets", "dan thanh ho snippets", "dan toan ho 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: (((("dan than ho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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