Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong hoa soa snippets" » "dong hoc soa snippets", "dong co soa snippets", "dong hoa son snippets", "dong hoa khoa snippets", "dong hoa song 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: (((("dong hoa soa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong hoa soa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong hoa soa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hoa soa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.