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