Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cao hoc can snippets" » "cao hoc code snippets", "co hoc can snippets", "cho hoc can snippets", "chat hoc can snippets", "cao hoc dan snippets", "cao hoc cao snippets", "cao 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: (((("cao hoc can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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