Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dai lan trinh snippets" » "dai lap trinh snippets", "dai dan trinh snippets", "dai lan tranh snippets", "dai luan trinh snippets", "dai han trinh snippets", "dam lan trinh 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 ("dai lan trinh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dai lan trinh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dai lan trinh snippets"))) or ("locating bug core snippets"))*.