Perhaps you should try some spelling variations:
"using java caicode snippets" » "using data caicode snippets", "using java caicore snippets"
"dung tri _ snippets" » "dung tai _ snippets", "dung tren _ snippets", "nhung tri _ snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 caicode snippets") OR ("dung tri _ snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java caicode snippets ) or ( dung tri _ snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java caicode snippets") or ("dung tri _ snippets"))) or ("locating bug code snippets"))*.