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