Perhaps you should try some spelling variations:
"using java cau snippets" » "using data cau snippets", "using java can snippets", "using va cau snippets"
"dung chung code snippets" » "dung cong code snippets", "dung trung code snippets", "truong chung code snippets", "dung chung co snippets"
"locating bug core snippets" » "locating bug 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 cau snippets") OR ("dung chung code snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java cau snippets\") OR (\"dung chung code snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( using java cau snippets ) OR ( dung chung code snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java cau snippets") OR ("dung chung code snippets"))) OR ("locating bug core snippets"))*.