Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong dao son snippets" » "dong dat son snippets", "dong giao son snippets", "dong co son snippets", "dong cao son snippets", "dong dai son snippets", "dong do son 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 dao son 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 dao son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong dao son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dao son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.