Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi cong dot snippets" » "doi cong code snippets", "doi song dot snippets", "noi cong dot snippets", "moi cong dot snippets", "doi cong mot snippets", "doi cong dong snippets", "doi cong doan 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 cong dot 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 cong dot snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi cong dot snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cong dot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.