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