Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bugs code snippets", "locating bug code slippers"
"dung java java snippets" » "dung va java snippets"
"cong viet lua snippets" » "cong viec lua snippets", "thong viet lua snippets", "nang viet lua snippets", "cong viet qua snippets", "cong viet quan snippets", "cong viet tuan snippets"

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 ("cong viet lua snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("cong viet lua snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cong viet lua snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cong viet lua snippets"))) or ("locating bugs code slippers"))*.