Perhaps you should try some spelling variations:
"using java java slippers" » "using data java slippers", "using java java slippery", "using java java grippers"
"hang ngu java snippets" » "han ngu java snippets", "hang nga java snippets", "hang nguon java snippets", "hang ngu va snippets"
"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: (((("hang ngu java snippets") or ("using java java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang ngu java snippets") OR ("using java java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang ngu java snippets ) or ( using java java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang ngu java snippets") or ("using java java slippers"))) or ("locating bug code snippets"))*.