Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tao van tang snippets" » "tao van thang snippets", "tao van trang snippets", "tao van nang snippets", "thao van tang snippets", "tao va tang snippets", "dao van tang snippets"

Try widening your search to All Fields.

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