Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"duc tang cua snippets" » "duc thang cua snippets", "duc tan cua snippets", "tuc tang cua snippets", "duc mang cua snippets", "duc hang cua snippets", "duc tang luan 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 ("duc tang cua snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( duc tang cua snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("duc tang cua snippets"))) or ("locating bugs code snippets"))*.