Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chang n2 doc snippets" » "chang ha doc snippets", "chang xu doc snippets", "chang n1 doc snippets", "chang n3 doc 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: (((("chang n2 doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chang n2 doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chang n2 doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chang n2 doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.