Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau luan mo snippets" » "dan luan mo snippets", "dat luan mo snippets", "khau luan mo snippets", "dau luat moi snippets", "dau luan von snippets", "dau luan hoc 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: (((("dau luan mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau luan mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau luan mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau luan mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.