Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"mat cua trinh snippets" » "mat qua trinh snippets", "mat cua tinh snippets", "mat xuan trinh snippets", "ma cua trinh snippets", "manh cua trinh snippets", "mang cua trinh 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 ("mat cua trinh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( mat cua trinh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("mat cua trinh snippets"))) or ("locating bug core snippets"))*.