Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers", "locating bugs code snippets"
"dung java java snippets" » "dung va java snippets"
"dang duc tran snippets" » "dang quoc tran snippets", "dao duc tran snippets", "dang su tran snippets", "dang duc tan snippets", "dang duc toan snippets", "dang duc tren 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: (((("dang duc tran snippets") or ("dung java java snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang duc tran snippets") OR ("dung java java snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( dang duc tran snippets ) or ( dung java java snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dang duc tran snippets") or ("dung java java snippets"))) or ("locating bugs code slippers"))*.