Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao sy long snippets" » "cao sy luong snippets", "cao quy long snippets", "cao ky long snippets", "cao su long snippets", "ca sy long 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 sy long 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 sy long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao sy long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao sy long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.