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