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