Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung le giang snippets" » "dung lieu giang snippets", "dung yen giang snippets", "dung lee liang snippets", "dung len giang snippets", "dung he giang snippets", "dung de giang 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 ("dung le giang snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung le giang snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung le giang snippets"))) or ("locating bug core snippets"))*.