Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"vai trong code snippets" » "vai trong cong snippets", "vai trong co snippets", "vai trong che snippets", "tai trong code snippets", "bai trong code snippets", "dai trong code snippets"
"locating bug core snippets" » "locating bug code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java java snippets") or ("vai trong code snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("vai trong code snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( vai trong code snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("vai trong code snippets"))) or ("locating bug core snippets"))*.