Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam tan cao snippets" » "lam san cao snippets", "lam tai cao snippets", "nam tan cao snippets", "lam toan cao snippets", "lam tao cao snippets", "lam tay cao 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: (((("lam tan 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: (((("lam tan cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam tan cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam tan cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.