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