Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"hang doi than snippets" » "hang di than snippets", "hang loi than snippets", "huong doi than snippets", "hang doi nhan snippets", "hang doc than snippets", "hang doi tan 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 ("hang doi than snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( hang doi than snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hang doi than snippets"))) or ("locating bug core snippets"))*.