Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"van son trong snippets" » "van son truong snippets", "van song trong snippets", "van ion trong snippets", "van dong trong snippets", "van cong trong snippets", "van sung trong 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 ("van son trong snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( van son trong snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("van son trong snippets"))) or ("locating bug core snippets"))*.