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