Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers", "locating bugs code snippets"
"dang java java snippets" » "dang va java snippets"
"dung von robot snippets" » "dung voi robot snippets", "dung so robot snippets", "dong von robot snippets", "dung cong robot snippets", "dung va robot 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 von robot snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("dung von robot snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung von robot snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung von robot snippets"))) or ("locating bugs code slippers"))*.