Perhaps you should try some spelling variations:
"dong java java snippets" » "dong va java snippets"
"cong nhat code snippets" » "cong nhan code snippets", "cong ha code snippets", "cong suat code snippets", "cong nhat de snippets", "cong nhat co snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong java java snippets") or ("cong nhat code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong java java snippets") OR ("cong nhat code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( dong java java snippets ) or ( cong nhat code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dong java java snippets") or ("cong nhat code snippets"))) or ("locating bug code slippers"))*.