Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"tran tuan do snippets" » "tran xuan do snippets", "tran quang do snippets", "tran thanh do snippets", "tran toan do snippets", "tran truan doi snippets", "tran quan doi 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 ("tran tuan do snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tran tuan do snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tran tuan do snippets"))) or ("locating bugs code snippets"))*.