Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"doan ung dat slippers" » "doan hung dat slippers", "toan ung dat slippers", "dan ung dat slippers", "doan dung dat slippers", "doan vung dat slippers", "doan cung dat slippers", "doan ung dat slippery", "doan ung dat 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: (((("doan ung dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan ung dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan ung dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan ung dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.