Perhaps you should try some spelling variations:
"tran trong va slippers" » "gian trong va slippers", "quan trong va slippers", "tran trong van slippers", "tran trong ca slippers", "tran trong cac slippers", "tran trong va slippery", "tran trong va grippers"
"dung java java snippets" » "dung va java snippets"
"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: (((("tran trong va slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( tran trong va slippers ) or ( dung java java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tran trong va slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.