Perhaps you should try some spelling variations:
"using rbf code snippets" » "using ibm code snippets", "using raw code snippets", "using lbm code snippets", "using rbf code slippers"
"dung cac dat snippets" » "luong cac dat snippets", "dung cho dat snippets", "dung tai dat snippets", "dung cac dan snippets", "dung cai dat snippets", "dung cac dai snippets", "dung cac dat 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: (((("using rbf code snippets") OR ("dung cac dat snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using rbf code snippets ) or ( dung cac dat snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using rbf code snippets") or ("dung cac dat snippets"))) or ("locating bug code snippets"))*.