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