Perhaps you should try some spelling variations:
"using than phan slippers" » "sang than phan slippers", "song than phan slippers", "using them phan slippers", "using thanh phan slippers", "using toan phan slippers", "using thanh pham slippers", "using than phan slippery", "using than phan 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 ("using than phan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("using than phan slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( using than phan slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("using than phan slippers"))) or ("locating bug code snippets"))*.