Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huong di de snippets" » "huong doi de snippets", "duong di de snippets", "huong dich de snippets", "huong dai de snippets", "huong di den 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: (((("huong di de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huong di de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huong di de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huong di de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.