Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"doan do danh snippets" » "doan o danh snippets", "toan do danh snippets", "doanh dao danh snippets", "doan do dinh snippets", "doan do sanh snippets", "doan dia danh 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 ("doan do danh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( doan do danh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("doan do danh snippets"))) or ("locating bug core snippets"))*.