Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"tran tu lan snippets" » "tran tuan lan snippets", "tran thuy lan snippets", "tran thi lan snippets", "tran tu luan snippets", "tran tu lang snippets", "tran tu lanh 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 code snippets") OR ("tran tu lan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tran tu lan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tran tu lan snippets"))) or ("locating bug core snippets"))*.