Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuy do so snippets" » "thuyet do so snippets", "thay doi so snippets", "thuat do so snippets", "thuy do son snippets", "thuy co so snippets", "thuy do bo 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: (((("thuy do so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuy do so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuy do so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuy do so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.