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