Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao tuc cung snippets" » "dao thuc cung snippets", "dao tuc dung snippets", "dao tu cung snippets", "dao duc cung 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: (((("dao tuc cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao tuc cung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao tuc cung snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao tuc cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.