Perhaps you should try some spelling variations:
"dung thon lang slippers" » "dung thong lang slippers", "dung hon lang slippers", "dung thoi lang slippers", "dung nhon lang slippers", "dung tho lang slippers", "dung thong mang slippers", "dung thon lang slippery", "dung thon lang 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"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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