Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi co cho snippets" » "doi co code snippets", "doi bo cho snippets", "moi co cho snippets", "hoi co cho snippets", "doi cao cho snippets", "doi con cho snippets", "doi co che 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: (((("doi co cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi co cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi co cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi co cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.