Perhaps you should try some spelling variations:
"do trong code snippets" » "do trong cong snippets", "do trong co snippets", "do trong che snippets", "dot trong code snippets", "dao trong code snippets", "doi trong code snippets", "do trong code slippers"
"using _ java snippets" » "using _ java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs 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 snippets") OR ("do trong code snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using _ java snippets ) or ( do trong code snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using _ java snippets") or ("do trong code snippets"))) or ("locating bug code snippets"))*.