Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung co canh snippets" » "dung co code snippets", "dung cho canh snippets", "dung cong canh snippets", "dung cua canh snippets", "dung bo canh snippets", "dung co anh snippets", "dung co cach 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: (((("dung co canh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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