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