Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan trong cac snippets" » "tan trong code snippets", "tran trong cac snippets", "toan trong cac snippets", "than trong cac snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data 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 data java snippets") OR ("tan trong cac snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using data java snippets ) or ( tan trong cac snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using data java snippets") or ("tan trong cac snippets"))) or ("locating bug core snippets"))*.