Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach le den snippets" » "cach de den snippets", "cac le den snippets", "cach ben den snippets", "cach le dan snippets", "cach se den snippets", "cach lieu den 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: (((("cach le den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach le den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach le den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach le den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.