Perhaps you should try some spelling variations:
"voi trong cuoc snippets" » "voi trong code snippets", "voi trong cac snippets", "doi trong cuoc snippets", "hoi trong cuoc snippets", "vai trong cuoc snippets"
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java 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 ("voi trong cuoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("voi trong cuoc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( voi trong cuoc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("voi trong cuoc snippets"))) or ("locating bug core snippets"))*.