Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tan dat hang snippets" » "tan dat khanh snippets", "tan dat quang snippets", "tan tat thang snippets", "dan dat hang snippets", "ban dat hang snippets", "tan dac hang 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 ("tan dat hang snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tan dat hang snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tan dat hang snippets"))) or ("locating bug core snippets"))*.