Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dang duoc dan slippers" » "dang quoc dan slippers", "dang duc dan slippers", "dong duoc dan slippers", "dang duoc ban slippers", "dang duoc dai slippers", "dang duoc dan slippery", "dang duoc dan grippers"
"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 java java snippets") or ("dang duoc dan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dang duoc dan slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dang duoc dan slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dang duoc dan slippers"))) or ("locating bug code snippets"))*.