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