Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"diep anh tuan snippets" » "dien anh tuan snippets", "dieu hanh tuan snippets", "diep tinh tuan snippets", "diep anh tuan slippers", "diep anh quan snippets", "diep anh tran snippets", "diep anh luan snippets"
"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 ("diep anh tuan snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( diep anh tuan snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("diep anh tuan snippets"))) or ("locating bug code snippets"))*.