Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung du ngoc slippers" » "dung de ngoc slippers", "dung cu ngoc slippers", "dung cua ngoc slippers", "dung duc ngoc slippers", "dung dau ngoc slippers", "dung vu ngoc slippers", "dung du ngoc slippery", "dung du ngoc 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 ("dung du ngoc slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung du ngoc slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung du ngoc slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung du ngoc slippers"))) or ("locating bug code snippets"))*.