Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"tran quan vi snippets" » "tran quang vi snippets", "tran xuan vi snippets", "tran tuan vi snippets", "tran quan li snippets", "tran quan tri snippets", "tran quan doi 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 java java snippets") OR ("tran quan vi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( tran quan vi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("tran quan vi snippets"))) or ("locating bug core snippets"))*.