Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"luan bang php snippets" » "luan nang php snippets", "luan ban php snippets", "luan tang php snippets", "luan nang phap snippets", "luan bang thep snippets", "luan mang 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 ("luan bang php snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( luan bang php snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("luan bang php snippets"))) or ("locating bug core snippets"))*.