Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"ap hoang tran snippets" » "ap hoang tuan snippets", "ap hoang thanh snippets", "ap hoang van snippets", "cap hoang tran snippets", "van hoang tran snippets", "anh hoang 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 ("ap hoang tran snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( ap hoang tran snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("ap hoang tran snippets"))) or ("locating bug core snippets"))*.