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