Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"bua hoang duc snippets" » "quan hoang duc snippets", "tuan hoang duc snippets", "xuan hoang duc snippets", "bua hong duc snippets", "bua hoang duy snippets", "bua hoang du 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 ("bua hoang duc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( bua hoang duc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("bua hoang duc snippets"))) or ("locating bug core snippets"))*.