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