Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang le cao snippets" » "tang le cao snippets", "dung le cao snippets", "dang de cao snippets", "dang le cap snippets", "dang le cau snippets", "dang le co 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: (((("dang le cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang le cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang le cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang le cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.