Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van tang dam snippets" » "van thang dam snippets", "van trang dam snippets", "van nang dam snippets", "van tang dan snippets", "van tong dam snippets", "van hang dam snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("van tang dam snippets"))) or ("locating bug core snippets"))~.
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