Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sieu va den snippets" » "sieu van den snippets", "lieu va den snippets", "hieu va den snippets", "sieu va dien snippets", "sieu va de 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: (((("sieu va 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: (((("sieu va den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sieu va den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sieu va den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.