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