Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan chu den snippets" » "quan khu den snippets", "quan cau den snippets", "quan che den snippets", "quan chu de snippets", "quan chua dien 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: (((("quan chu 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: (((("quan chu den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan chu den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan chu den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.