Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"chat dan phan snippets" » "chat ban phan snippets", "chat ran phan snippets", "hat dan phan snippets", "chat doan phan snippets", "chat dan chan snippets", "chat van phan 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 dan phan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( chat dan phan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("chat dan phan snippets"))) or ("locating bug core snippets"))*.