Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc ly he snippets" » "duoc ly he snippets", "duc sy he snippets", "duc vy he snippets", "duc ly ha snippets", "duc ly ke snippets", "duc ly ve snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc ly he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc ly he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc ly he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.