Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung duc hung slippers" » "duong duc hung slippers", "dang duc hung slippers", "dung du hung slippers", "dung quoc hung slippers", "dung duc hung slippery", "dung duc hung 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 duc hung 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 duc hung slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung duc hung slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung duc hung slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.