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