Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tieu lam da snippets" » "thieu lam da snippets", "tien lam da snippets", "lieu lam da snippets", "tieu lam dau snippets", "tieu lam dao snippets", "tieu lam dat 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: (((("tieu lam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tieu lam da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tieu lam da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tieu lam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.