Perhaps you should try some spelling variations:
"ky thuong java slippers" » "ky thuong va slippers", "va thuong java slippers", "tu thuong java slippers", "te thuong java slippers", "ky thuong java slippery", "ky thuong java grippers"
"using java java snippets" » "using data java snippets"
"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: (((("ky thuong 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: (((("ky thuong java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ky thuong java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ky thuong java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.