Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"van luong ha slippers" » "van duong ha slippers", "van cuong ha slippers", "nang luong ha slippers", "van luong va slippers", "van long ha slippers", "van luong khoa slippers", "van luong ha slippery", "van luong ha 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 luong ha slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( van luong ha slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("van luong ha slippers"))) or ("locating bug code snippets"))*.