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