Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc du den snippets" » "truc du den snippets", "thuc su den snippets", "thuc tu den snippets", "thuc duy den snippets", "thuc di 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: (((("thuc du 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: (((("thuc du den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc du den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc du den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.