Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung luan de snippets" » "chung luan de snippets", "khung luan de snippets", "dung luan de snippets", "hung luan den snippets", "hung luan ve snippets", "hung luat de 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: (((("hung luan 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: (((("hung luan de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung luan de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung luan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.