Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung nhat soc snippets" » "dung nhan soc snippets", "dang nhat soc snippets", "dung nha soc snippets", "dung nhat so snippets", "dung nhat nuoc snippets", "dung nhanh soc 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 ("dung nhat soc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung nhat soc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung nhat soc snippets"))) or ("locating bug core snippets"))*.