Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi cho cao snippets" » "doi cho code snippets", "doi chi cao snippets", "doi co cao snippets", "doi pho cao snippets", "doi cho cac snippets", "doi cho dao snippets", "doi cho can 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 cho cao 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 cho cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi cho cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cho cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.