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