Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dang duc han snippets" » "dang quoc han snippets", "dao duc han snippets", "dang su han snippets", "dang duc phan snippets", "dang duc hanh snippets", "dang duc hoan 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 ("dang duc han snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dang duc han snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dang duc han snippets"))) or ("locating bug core snippets"))*.