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