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