Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"van phap lua snippets" » "ban phap lua snippets", "va phap lua snippets", "van phan lua snippets", "van phap luat snippets", "van phap luan snippets", "van phap luu 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 ("van phap lua snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( van phap lua snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("van phap lua snippets"))) or ("locating bug core snippets"))*.