Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi cac doi snippets" » "doi cac code snippets", "doi cach doi snippets", "voi cac doi snippets", "do cac doi snippets", "doi cac dai snippets", "doi cac toi snippets", "doi cau doi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("doi cac doi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi cac doi snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi cac doi snippets"))) or ("locating bug core snippets"))*.