Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"dan tra cho snippets" » "dan ta cho snippets", "van tra cho snippets", "dang tran cho snippets", "dan trang cho snippets", "dan tra chat snippets", "dan toan cho 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 ("dan tra cho snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dan tra cho snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dan tra cho snippets"))) or ("locating bug core snippets"))*.