Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"gian hieu lua snippets" » "gian viet lua snippets", "van hieu lua snippets", "tin hieu lua snippets", "gian hieu luat snippets", "gian hieu qua snippets", "gian hieu luc 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 ("gian hieu lua snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( gian hieu lua snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("gian hieu lua snippets"))) or ("locating bug core snippets"))*.