Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"dai luong vat snippets" » "dai cuong vat snippets", "dai duong vat snippets", "do luong vat snippets", "dai luong va snippets", "dai luong van snippets", "dai luong tai 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 java snippets") OR ("dai luong vat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( dai luong vat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("dai luong vat snippets"))) or ("locating bug core snippets"))*.