Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung khang dat slippers" » "dung thang dat slippers", "quang khang dat slippers", "dung nhan dat slippers", "dung hang dau slippers", "dung thanh dat slippers", "dung chang dam slippers", "dung khang dat slippery", "dung khang dat grippers"
"dung java java snippets" » "dung va java 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 khang dat slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung khang dat slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung khang dat slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung khang dat slippers"))) or ("locating bugs code snippets"))*.