Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"luan thi toc snippets" » "luan chi toc snippets", "luan thiet toc snippets", "luyen thi toc snippets", "luan thi tac snippets", "luan thi voc snippets", "luan thi goc 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 ("luan thi toc snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( luan thi toc snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("luan thi toc snippets"))) or ("locating bugs code snippets"))*.