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