Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trinh cac tac snippets" » "trinh cau tac snippets", "trinh chat tac snippets", "trinh chao tac snippets", "trinh cac toc snippets", "trinh cac bac snippets", "trinh cac dac 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 ("trinh cac tac snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh cac tac snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh cac tac snippets"))) or ("locating bug core snippets"))*.