Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"dung java java snippets" » "dung va java snippets"
"len con trinh snippets" » "len cong trinh snippets", "len co trinh snippets", "len dong trinh snippets", "lon con trinh snippets", "le con trinh 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 ("len con trinh snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("len con trinh snippets"))) OR ("locating bug code slippers"))*.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( len con trinh snippets ))) or ( locating bug code slippers ))*.