Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"using ly trong slippers" » "using l trong slippers", "using lc trong slippers", "using low trong slippers", "using le trong slippers", "using cay trong slippers", "using ro trong slippers", "using ly trong slippery", "using ly trong grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dung java java snippets") OR ("using ly trong slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( using ly trong slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("using ly trong slippers"))) or ("locating bug code snippets"))*.