Perhaps you should try some spelling variations:
"using java code slippers" » "using data code slippers"
"dang khoi van snippets" » "dung khoa van snippets", "hang khoa van snippets", "dang khoi can snippets", "dang khoi va snippets", "dang thoai van snippets"
"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: (((("using java code slippers") OR ("dang khoi van snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( dang khoi van snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code slippers") or ("dang khoi van snippets"))) or ("locating bug code snippets"))*.