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