Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"van anh tap snippets" » "van thanh tap snippets", "van minh tap snippets", "tuan anh tap snippets", "van anh ta snippets", "van anh tai snippets", "van anh tuan 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 ("van anh tap snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( van anh tap snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("van anh tap snippets"))) or ("locating bug core snippets"))*.