Perhaps you should try some spelling variations:
"dung duoc tap slippers" » "dong duoc tap slippers", "cung duoc tap slippers", "dung quoc tap slippers", "dung duoc thao slippers", "dung hoc tap slippers", "dung tuc tap slippers", "dung duoc tap slippery", "dung duoc tap 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 duoc tap 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 duoc tap slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung duoc tap slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung duoc tap slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.