Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"using java java snippets" » "using data java snippets"
"dung tin java snippets" » "dong tin java snippets", "luong tin java snippets", "dung tren java snippets", "dung trinh java snippets", "dung think java snippets", "dung tin va 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 tin java snippets") or ("using java java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung tin java snippets") OR ("using java java snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( dung tin java snippets ) or ( using java java snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tin java snippets") or ("using java java snippets"))) or ("locating bug code slippers"))*.