Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"data using java snippets" » "data using data snippets"
"dung cao anh snippets" » "duong cao anh snippets", "dung cho anh snippets", "dung co anh snippets", "dung cao dang snippets", "dung cao tang snippets", "dung cao bang 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: (((("data using java snippets") OR ("dung cao anh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( dung cao anh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("dung cao anh snippets"))) or ("locating bug core snippets"))*.