Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"khoi nang java slippers" » "hoi nang java slippers", "khoi nganh java slippers", "khoai lang java slippers", "khoi nang va slippers", "khoi nang java slippery", "khoi nang java grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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