Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"dung ngo java slippers" » "dung ngon java slippers", "dong ngo java slippers", "dung nga java slippers", "dung ngu java slippers", "dung ngo va slippers", "dung ngo java slippery", "dung ngo java grippers"

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: (((("dung ngo java slippers") or ("using java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ngo java slippers") OR ("using java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung ngo java slippers ) or ( using java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ngo java slippers") or ("using java java snippets"))) or ("locating bugs code snippets"))*.