Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men tong von snippets" » "xen tong von snippets", "ben trong von snippets", "jen tzong von snippets", "men dong von snippets", "men tong van snippets", "men tong don 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: (((("men tong von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("men tong von snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men tong von snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men tong von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.