Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"dao cau cua snippets" » "dat cau cua snippets", "da cau cua snippets", "tao cau cua snippets", "dao cau qua snippets", "dao ca cua snippets", "dao cu cua 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 ("dao cau cua snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dao cau cua snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dao cau cua snippets"))) or ("locating bug core snippets"))*.