Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"dan toi cua snippets" » "dan toc cua snippets", "dan thi cua snippets", "van toi cua snippets", "dan troi cua snippets", "dan tri cua snippets", "dan hoi cua 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 ("dan toi cua snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dan toi cua snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dan toi cua snippets"))) or ("locating bug core snippets"))*.