Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam cao hon snippets" » "nam cao hon snippets", "lam co hon snippets", "dam cao hon snippets", "lam cao son snippets", "lam cao hoc snippets", "lam ca hon 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 cao hon 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 cao hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam cao hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam cao hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.