Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan vung re snippets" » "dan dung re snippets", "dao vung re snippets", "dang hung re snippets", "dan vung kem snippets", "dan vung gen snippets", "dan vung ven 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 vung re 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 vung re snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan vung re snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan vung re snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.