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