Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son ve cao snippets" » "son le cao snippets", "son va cao snippets", "lon ve cao snippets", "son ve bao snippets", "son ve cac 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: (((("son ve 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: (((("son ve cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son ve cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son ve cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.