Perhaps you should try some spelling variations:
"using a java snippets" » "using _ java snippets", "using a java slippers"
"vi ngu va snippets" » "va ngu va snippets", "ve ngu va snippets", "viet ngu va snippets", "vi ngu van snippets", "vi ngu ca snippets", "vi nguoi va snippets", "vi ngu va slippers"
"locating bug code snippets" » "locating bug code slippers", "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.

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