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