Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich le cao snippets" » "dich te cao snippets", "dinh le cao snippets", "dich ly cao snippets", "dich le cap snippets", "dich le cau snippets", "dich 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: (((("dich 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: (((("dich le cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich le cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich le cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.