Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"hoi dang tao snippets" » "hoi dan tao snippets", "hoi lang tao snippets", "hoi dong tao snippets", "hoi sang tao snippets", "hoi nang tao snippets", "hoi vang tao 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 ("hoi dang tao snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( hoi dang tao snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hoi dang tao snippets"))) or ("locating bug core snippets"))*.