Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"van cuong raw slippers" » "van chuong raw slippers", "van duong raw slippers", "van cong raw slippers", "van cuong ma slippers", "van cuong bai slippers", "van cuong cac slippers", "van cuong raw slippery", "van cuong raw 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: (((("using java java snippets") OR ("van cuong raw slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( van cuong raw slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("van cuong raw slippers"))) or ("locating bug code snippets"))*.