Perhaps you should try some spelling variations:
"dong java java snippets" » "dong va java snippets"
"trong dan code slippers" » "trong dang code slippers", "trong san code slippers", "trong tan code slippers", "trong dan de slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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