Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lieu cao cac snippets" » "lieu cao code snippets", "lieu dao cac snippets", "lieu co cac snippets", "lieu bao cac snippets", "lieu cho cac snippets", "lieu cao cap snippets", "lieu ca 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: (((("lieu cao cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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