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