Perhaps you should try some spelling variations:
"using java cac snippets" » "using data cac snippets", "using java can snippets", "using va cac snippets"
"cong dong code snippets" » "cong dong co snippets", "cong dong che snippets", "cong dong cong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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 ("cong dong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java cac snippets") OR ("cong dong code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java cac snippets ) or ( cong dong code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java cac snippets") or ("cong dong code snippets"))) or ("locating bug code snippets"))*.