Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"duoc dan lat snippets" » "duc dan lat snippets", "duoc ban lat snippets", "duoc dai lat snippets", "duoc dan luat snippets", "duoc dan dat snippets", "duoc dan lap 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 ("duoc dan lat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( duoc dan lat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("duoc dan lat snippets"))) or ("locating bug core snippets"))*.