Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam linh hon snippets" » "tam linh hon snippets", "lam tinh hon snippets", "nam linh hon snippets", "lam minh hon snippets", "lam linh ho snippets", "lam dinh hong 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 linh 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 linh hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam linh hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam linh hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.