Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chang ha doc snippets" » "chang ham doc snippets", "hang ha doc snippets", "chang ama doc snippets", "chang hoa doc snippets", "chang va doc snippets", "chang ha dac 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 ha 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 ha doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chang ha doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chang ha doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.