Perhaps you should try some spelling variations:
"vu cuong code snippets" » "vu cuong cong snippets", "vu cong code snippets", "vu duong code snippets", "su cuong code snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"locating bug core snippets" » "locating bug code 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: (((("vu cuong code snippets") OR ("using data java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( vu cuong code snippets ) or ( using data java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vu cuong code snippets") or ("using data java snippets"))) or ("locating bug core snippets"))*.