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