Perhaps you should try some spelling variations:
"using real java snippets" » "using metal java snippets", "using raw java snippets"
"ve ngu java slippers" » "ve ngu va slippers", "va ngu java slippers", "ve nu java slippers", "viet ngu java slippers", "ve ngu java slippery", "ve ngu java grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using real java snippets\") OR (\"ve ngu java slippers\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using real java snippets ) OR ( ve ngu java slippers ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using real java snippets") OR ("ve ngu java slippers"))) OR ("locating bug code snippets"))*.