Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lieu li wang snippets" » "lieu lai wang snippets", "lieu ly wang snippets", "lieu ki wang snippets", "lieu li nang snippets", "lieu li dang snippets", "lieu li bang snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("lieu li wang snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu li wang snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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