Perhaps you should try some spelling variations:
"phong toan trac slippers" » "phong thanh trac slippers", "phong trao trac slippers", "phong van trac slippers", "phong toan tran slippers", "phong thoan tran slippers", "phong toan tap slippers", "phong toan trac slippery", "phong toan trac 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("phong toan trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("phong toan trac slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( phong toan trac slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("phong toan trac slippers"))) or ("locating bug code snippets"))*.