Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"luan van cao snippets" » "luan van dao snippets", "luan van bao snippets", "luan van cau snippets", "quan van cao snippets", "lan van cao 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 van cao snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( luan van cao snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("luan van cao snippets"))) or ("locating bugs code snippets"))*.