Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"cuoc cac nghe snippets" » "cuoc cach nghe snippets", "duoc cac nghe snippets", "cuoi cac nghe snippets", "cuoc cap nghe snippets", "cuoc cac nghi snippets", "cuoc can nghe snippets"
"locating bug core snippets" » "locating bug code 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 ("cuoc cac nghe snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cuoc cac nghe snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cuoc cac nghe snippets"))) or ("locating bug core snippets"))*.