Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using data code slippers" » "using java code slippers", "using sat code slippers", "missing data code slippers", "using rate code slippers"
"cong cac dan snippets" » "cuong cac dan snippets", "cong tac dan snippets", "cong cau dan 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 data code slippers") OR ("cong cac dan snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using data code slippers ) or ( cong cac dan snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using data code slippers") or ("cong cac dan snippets"))) or ("locating bugs code snippets"))*.