Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"cong toan o snippets" » "cong tan o snippets", "cong hoan o snippets", "cong tuan o snippets", "cong toan ho snippets", "cong toan co snippets", "cong toan do 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 ("cong toan o snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cong toan o snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cong toan o snippets"))) or ("locating bugs code snippets"))*.