Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"con cua hoc snippets" » "cong cua hoc snippets", "co cua hoc snippets", "dong cua hoc snippets", "con cua hoi snippets", "con cua thuoc snippets", "con cua nuoc 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 ("con cua hoc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( con cua hoc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("con cua hoc snippets"))) or ("locating bug core snippets"))*.