Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"doi canh tran snippets" » "doi canh tranh snippets", "doi hanh trang snippets", "doi banh trang snippets", "doi hanh tran snippets", "boi canh tran snippets", "do canh tran 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 ("doi canh tran snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( doi canh tran snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("doi canh tran snippets"))) or ("locating bug core snippets"))*.