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