Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"chat cho toc snippets" » "chat co toc snippets", "chat thom toc snippets", "cap cho toc snippets", "chat cho hoc snippets", "chat cao toc snippets", "chat cho toa 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 ("chat cho toc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( chat cho toc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("chat cho toc snippets"))) or ("locating bug core snippets"))*.