Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"doan tu doi snippets" » "doan thu doi snippets", "dan tu doi snippets", "toan tu doi snippets", "doan tu do snippets", "doan te doi snippets", "doan tu di 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 ("doan tu doi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( doan tu doi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("doan tu doi snippets"))) or ("locating bug core snippets"))*.