Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"chung de tao snippets" » "chung ve tao snippets", "chung do tao snippets", "phuong de tao snippets", "chung de dao snippets", "chung de tai snippets", "chung de tro 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 ("chung de tao snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( chung de tao snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("chung de tao snippets"))) or ("locating bug core snippets"))*.