Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat dau dot snippets" » "dat dai dot snippets", "bat dau dot snippets", "dat cau dot snippets", "dat dau mot snippets", "dat da dot snippets", "dat dau do 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: (((("dat dau dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat dau dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat dau dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat dau dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.