Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau mat da snippets" » "dau mot da snippets", "dau may da snippets", "dang mat da snippets", "dau mat dan snippets", "dau mat ma snippets", "dau vat da 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: (((("dau mat 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: (((("dau mat da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau mat da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau mat da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.