Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran hoi den snippets" » "tran hoai den snippets", "tran hai den snippets", "tan hoi den snippets", "tran hoi dien snippets", "tran hoi dan snippets", "tran moi 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: (((("tran hoi 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: (((("tran hoi den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran hoi den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran hoi den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.