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