Perhaps you should try some spelling variations:
"dan trinh java snippets" » "dan tinh java snippets", "van trinh java snippets", "hanh trinh java snippets", "dan trinh java slippers"
"dang su code snippets" » "dang su code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan trinh java snippets") OR ("dang su code snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dan trinh java snippets ) or ( dang su code snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan trinh java snippets") or ("dang su code snippets"))) or ("locating bug code snippets"))*.