Perhaps you should try some spelling variations:
"dung nham mat slippers" » "dung nhan mat slippers", "dung nha mat slippers", "dung nam mat slippers", "dung ham mat slippers", "dung cham mat slippers", "dung nha may slippers", "dung nham mat slippery", "dung nham mat 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 nham mat 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 nham mat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nham mat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nham mat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.