Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat la cao snippets" » "mat lai cao snippets", "mat lam cao snippets", "mat ma cao snippets", "mat va cao snippets", "mat ca cao snippets", "mat xa cao 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: (((("mat la cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat la cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat la cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat la cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.