Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"tap dan xac snippets" » "tap doan xac snippets", "tap danh xac snippets", "tap van xac snippets", "tap dan bac snippets", "tap dan cac snippets", "tap dan xa 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 ("tap dan xac snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tap dan xac snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tap dan xac snippets"))) or ("locating bug core snippets"))*.