Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"dung java java snippets" » "dung va java snippets"
"dang van thinh snippets" » "dang van thanh snippets", "dang van chinh snippets", "dang van minh snippets", "hoang van thinh snippets", "hang va thinh 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 ("dang van thinh snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dang van thinh snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dang van thinh snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dang van thinh snippets"))) or ("locating bug code slippers"))*.