Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"khoa ung java slippers" » "khoa dung java slippers", "hoa ung java slippers", "khoa trung java slippers", "khoa ngu java slippers", "khoa ung va slippers", "khoa ung java slippery", "khoa ung 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: (((("khoa ung java slippers") or ("using java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa ung java slippers") OR ("using java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( khoa ung java slippers ) or ( using java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa ung java slippers") or ("using java java snippets"))) or ("locating bugs code snippets"))*.