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