Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"viet tran van slippery" » "viet trang van slippery", "viet tuan van slippery", "viet trung van slippery", "viet luan van slippery", "viet tran van slippers"

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 java java snippets") OR ("viet tran van slippery"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( viet tran van slippery ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("viet tran van slippery"))) or ("locating bug core snippets"))*.