Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan cua ve snippets" » "dan ca ve snippets", "ban cua ve snippets", "dai cua ve snippets", "dan cua vi snippets", "dan cua te snippets", "dan cua vu 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: (((("dan cua ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan cua ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan cua ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan cua ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.