Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi tan doc snippets" » "doi tan code snippets", "doi ban doc snippets", "doi tac doc snippets", "dai tan doc snippets", "doi than doc snippets", "doi tan duoc snippets", "doi tan dac 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 tan doc 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 tan doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi tan doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tan doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.