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