Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan so cuu snippets" » "dan soc cuu snippets", "dan su cuu snippets", "dan mo cuu snippets", "dan so huu snippets", "dan ho cuu snippets", "dan so cau 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: (((("dan so cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan so cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan so cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan so cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.