Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"khanh tra van snippets" » "thanh tra van snippets", "khanh trach van snippets", "khanh hoa van snippets", "khanh tran van snippets", "khanh ta van snippets", "khanh trang van snippets"
"locating bug core snippets" » "locating bug 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 ("khanh tra van snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( khanh tra van snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("khanh tra van snippets"))) or ("locating bug core snippets"))*.