Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc long cuc snippets" » "duc long code snippets", "duc cong cuc snippets", "duc dong cuc snippets", "duc hong cuc snippets", "duc long cua snippets", "duc tong cuc snippets", "duc luong cuoc 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: (((("duc long cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc long cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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