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