Perhaps you should try some spelling variations:
"using real java snippets" » "using metal java snippets", "using raw java snippets", "using real java slippers"
"vu duong code snippets" » "vu duong co snippets", "vu duong cong snippets", "vu duong che snippets", "va duong code snippets", "van duong code snippets", "cau duong code snippets", "vu duong code slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("using real java snippets") or ("vu duong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using real java snippets") OR ("vu duong code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using real java snippets ) or ( vu duong code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using real java snippets") or ("vu duong code snippets"))) or ("locating bug code snippets"))*.