Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"toc le toan snippets" » "toc ke toan snippets", "toc le doan snippets", "toc le tuan snippets", "toc e toan snippets", "tuc le toan snippets", "hoc le toan 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 ("toc le toan snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( toc le toan snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("toc le toan snippets"))) or ("locating bugs code snippets"))*.