Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java cac snippets" » "using data cac snippets", "using java can snippets", "using va cac snippets"
"dung nhan code snippets" » "dung luan code snippets", "dung nhan co snippets", "dung nhan con snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java cac snippets") or ("dung nhan code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java cac snippets") OR ("dung nhan code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java cac snippets ) or ( dung nhan code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java cac snippets") or ("dung nhan code snippets"))) or ("locating bugs code snippets"))*.