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

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

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