Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung cac khach slippers" » "dung can khach slippers", "dung cao khach slippers", "dung vay khach slippers", "luong cac khach slippers", "dung cho khach slippers", "dung tai khach slippers", "dung cac khach slippery", "dung cac khach 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 cac khach slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac khach slippers") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung cac khach slippers ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac khach slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.