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 ham snippets" » "van thang ham snippets", "van trang ham snippets", "van nang ham snippets", "van rang ham snippets", "van tang ha snippets", "van tang 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 ham snippets"))) or ("locating bug core snippets"))~.
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