Perhaps you should try some spelling variations:
"ro trong long snippets" » "ro trong code snippets", "ro trong luong snippets", "ro truong long snippets", "ro trong cong snippets", "dot trong long snippets"
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java 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: (((("ro trong long snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( ro trong long snippets ) or ( using java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ro trong long snippets") or ("using java java snippets"))) or ("locating bug core snippets"))*.