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