Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"hoc lieu phap snippets" » "hoc bien phap snippets", "hoc hien phap snippets", "hoc dieu phap snippets", "hoc sieu phap snippets", "hoc tieu 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 ("hoc lieu phap snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( hoc lieu phap snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hoc lieu phap snippets"))) or ("locating bug core snippets"))*.