Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc ly doc snippets" » "duc ly code snippets", "duoc ly doc snippets", "duc sy doc snippets", "duc vy doc snippets", "duc ly duoc snippets", "duc ly hoc snippets", "duc ly do 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: (((("duc ly 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: (((("duc ly doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duc ly doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc ly doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.