Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets"
"trong cac han snippets" » "trong cac nhan snippets", "trong cac phan snippets", "trong cac dan 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 using java snippets") or ("trong cac han snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung using java snippets") OR ("trong cac han snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( trong cac han snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("trong cac han snippets"))) or ("locating bug code slippers"))*.