Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"duoi cau chap snippets" » "duoi ca chap snippets", "nuoi cay chap snippets", "duoc cac chap snippets", "duoi cau cham snippets", "duoi cau chan snippets", "duoi cau phap 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 ("duoi cau chap snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( duoi cau chap snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("duoi cau chap snippets"))) or ("locating bug core snippets"))*.