Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam van chi snippets" » "lam san chi snippets", "nam van chi snippets", "dam van chi snippets", "lam van chien snippets", "lam luan chi snippets", "lam van chat 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 van chi 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 van chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam van chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam van chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.