Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"can tran hung snippets" » "can tran hong snippets", "can tran quang snippets", "can tran hoang snippets", "can tranh hung snippets", "tan tran hung snippets", "ban tran hung 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 ("can tran hung snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( can tran hung snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("can tran hung snippets"))) or ("locating bug core snippets"))*.