Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao cua le snippets" » "dai cua le snippets", "day cua le snippets", "dan cua le snippets", "dao cua te snippets", "dao cua he snippets", "dao cua ly 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 cua le 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 cua le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao cua le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao cua le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.