Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung ha tran slippers" » "dung va tran slippers", "dung he tran slippers", "dung khoa tran slippers", "dung nha trang slippers", "dung thai tran slippers", "dung tan tran slippers", "dung ha tran slippery", "dung ha tran 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 ha tran 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 ha tran slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ha tran slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ha tran slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.