Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"tan tat duc snippets" » "ban tat duc snippets", "toan tap duc snippets", "toan tai duc snippets", "tan tran duc snippets", "tan dat duoc snippets", "tan vat duoc 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 tat duc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tan tat duc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tan tat duc snippets"))) or ("locating bug core snippets"))*.