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