Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"van dung thuc snippets" » "van dung thuoc snippets", "van duong thuc snippets", "van dung thu snippets", "van dong thuc snippets", "xay dung thuc snippets", "tin dung thuc 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 ("van dung thuc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( van dung thuc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("van dung thuc snippets"))) or ("locating bug core snippets"))*.