Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cung cac can snippets" » "cung cac code snippets", "cuong cac can snippets", "cung cap can snippets", "dung cac can snippets", "cung cac dan snippets", "cung cac van snippets", "cung cac ban 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: (((("cung cac can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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