Perhaps you should try some spelling variations:
"dan trinh java snippets" » "dan tinh java snippets", "van trinh java snippets", "hanh trinh java snippets"
"van quan code slippers" » "van quan che slippers", "van quan co slippers", "van ban code slippers"
"locating bug code snippets" » "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 ("van quan code slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dan trinh java snippets ) or ( van quan code slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan trinh java snippets") or ("van quan code slippers"))) or ("locating bug code snippets"))*.