Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van luong cac snippets" » "van luong code snippets", "van duong cac snippets", "van cuong cac snippets", "nang luong cac snippets", "van luong cuoc snippets", "van luong va snippets", "van luong tai snippets"
"using real java snippets" » "using metal java snippets", "using raw java snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using real java snippets") OR ("van luong cac snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using real java snippets ) or ( van luong cac snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using real java snippets") or ("van luong cac snippets"))) or ("locating bug core snippets"))*.