Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"vi sung cua slippers" » "vi dung cua slippers", "vi song cua slippers", "vi cung cua slippers", "vi ung cua slippers", "van sung cua slippers", "vi sung cua slippery", "vi sung cua 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: (((("vi sung cua slippers") OR ("using java java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( vi sung cua slippers ) or ( using java java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi sung cua slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.