Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sieu dan da snippets" » "sieu van da snippets", "dien dan da snippets", "sieu am da snippets", "sieu dan dat snippets", "sieu dan ca snippets", "sieu dan va 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: (((("sieu dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sieu dan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sieu dan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sieu dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.