Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"when hoc can snippets" » "when hoc code snippets", "khien hoc can snippets", "dien hoc can snippets", "hen ho can snippets", "when hoc dan snippets", "when hoc cao snippets", "when hoc cac 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: (((("when hoc can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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